id
string
problem
string
answer
string
answer_type
string
category
string
difficulty
string
eval_score
int64
similar_problems
list
1047658
You make a check for $ 6000 to buy a government bond from your friend. If he deposits the check into his bank account, how much money can the money supply vary in the case where the reserve ratio is fixed at 10%?
$60,000
Integer
Economics
University
6
[ { "id": "1230901", "score": 0.3355867216618858 }, { "id": "538285", "score": 0.32300317727891764 }, { "id": "1452793", "score": 0.30944410016527074 }, { "id": "395733", "score": 0.30517401197889327 }, { "id": "1829661", "score": 0.2934391905242341 } ]
231753
Harrison Company determines that an opportunity cost of an alternate course of action is relevant to a make-or-buy decision. Which statement is true of the opportunity cost? a. It should be added to the buy costs. b. It should be subtracted from the make costs. c. It should be added to the make costs. d. It should ...
c
Multiple Choice
Business
University
6
[ { "id": "460230", "score": 0.6488531262895546 }, { "id": "264624", "score": 0.37413524311703894 }, { "id": "2460", "score": 0.258905318651634 }, { "id": "839809", "score": 0.258905318651634 }, { "id": "2100263", "score": 0.24422821009895102 } ]
87886
Tomco uses a capital structure that is 60% debt. The interest rate on this debt is 6%. The tax rate is 40%. If Tomco has a beta of 1.2 and the market is expected to earn 10% and the risk-free rate is 3%, what is Tomco's WACC?
6.72%
Percentage
Business
University
6
[ { "id": "1953696", "score": 0.3506134015896816 }, { "id": "706750", "score": 0.29323726746851797 }, { "id": "292543", "score": 0.2732627150438066 }, { "id": "1819420", "score": 0.25809780360768075 }, { "id": "1546479", "score": 0.24515186793936689 } ]
2035694
The supply of U.S. dollars originates from a. American demand for imported goods. b. American investment in foreign countries. c. demand of foreign currency for speculative purposes. d. All of the above
D
Multiple Choice
Economics
University
6
[ { "id": "1828416", "score": 0.30686896351912807 }, { "id": "520095", "score": 0.3031422662422745 }, { "id": "186753", "score": 0.28457091110245314 }, { "id": "1673012", "score": 0.2754167172159044 }, { "id": "1039816", "score": 0.274953440783372 } ]
1691459
If your client decides to invest 65% of their money into ORP and 35% into Rf security, what would be the variance of that combination (Rf = 0.06%)? a. 0.00077 b. 0.00032 c. 0.00031 b. 0.00015 e. 0.00014
B
Multiple Choice
Finance
University
6
[ { "id": "1929629", "score": 0.17814801522214607 }, { "id": "1299692", "score": 0.15738017426619394 }, { "id": "382552", "score": 0.1378655375109566 }, { "id": "1870960", "score": 0.13432922675825998 }, { "id": "62314", "score": 0.13348173663801485 } ]
1547932
The contribution margin seen by the production department is different from the one on the income statement because it does NOT account for which of the following? A. Inventory carrying costs B. Total Unit Cost C. Workforce complement D. All of the above
D
Multiple Choice
Business
University
6
[ { "id": "1101926", "score": 0.2549740760377705 }, { "id": "914919", "score": 0.250699568543582 }, { "id": "1614860", "score": 0.23971217457414046 }, { "id": "1100796", "score": 0.23186115250710845 }, { "id": "1518760", "score": 0.23104782630869986 } ]
2068033
How competitors calculate inventory cost is least likely to affect comparisons between competitors if inventory makes up a: A.) large percentage of assets and inventory costs are stable. B.) large percentage of assets and inventory costs are not stable. C.) small percentage of assets and inventory costs are stable. ...
C
Multiple Choice
Business
University
6
[ { "id": "1534905", "score": 1.0000000000000002 }, { "id": "1839825", "score": 0.44036665740152237 }, { "id": "2018600", "score": 0.3355406717309547 }, { "id": "1846049", "score": 0.29293879738934026 }, { "id": "659421", "score": 0.2662683247464602 } ]
1861987
Find the value of the test statistic given the claim: fewer than 96% of adults have a cell phone. In a reputable poll of 1118 adults, 88% said that they have a cell phone.
-13.650
Float
Mathematics
University
6
[ { "id": "1529707", "score": 0.3580576094202078 }, { "id": "1164428", "score": 0.3437114464814628 }, { "id": "332851", "score": 0.33129718761965155 }, { "id": "1394566", "score": 0.27371268349363886 }, { "id": "759228", "score": 0.2697057971879921 } ]
708629
The manager of the Really Cheap Beer brewery has calculated that daily demand for RCB's light beer, q cases of beer, and the price of a case, p are related by the equation p + 0.0006q = 12. He also knows that his daily marginal cost on a case of beer is C'(q) = 2 + 0.0013q dollars per case. In these problems, we will a...
9.60
Float
Economics
University
6
[ { "id": "1031575", "score": 0.32258186947718925 }, { "id": "58068", "score": 0.2678936371921824 }, { "id": "1685300", "score": 0.2678936371921824 }, { "id": "501194", "score": 0.23594516408509236 }, { "id": "399607", "score": 0.22589925495883545 } ]
368370
Determine the radius of convergence of the following power series: $\sum_{n=1}^\infty n^{n^{1/3}}z^n$
1
Integer
Mathematics
University
6
[ { "id": "263705", "score": 0.9345601874603338 }, { "id": "1471463", "score": 0.8598170348583776 }, { "id": "1965714", "score": 0.8425450867381814 }, { "id": "550538", "score": 0.8406504130332879 }, { "id": "546000", "score": 0.8024649634372314 } ]
1696548
Suppose the price of a particular model of the Gibson Les Paul (LP) guitar in the US is PLP(in the US) = $4,000, while the price of this kind of LP in GB is PLP(in GB) = 2,450. If the $ price of 1 is e = 1.7, what would we expect? a. we would expect the prices of this kind of guitars to fall in both countries. b. w...
b
Multiple Choice
Economics
University
6
[ { "id": "286682", "score": 0.19952775389377167 }, { "id": "354823", "score": 0.17064864188422268 }, { "id": "72583", "score": 0.1696257544846698 }, { "id": "903388", "score": 0.16937405815144851 }, { "id": "1960482", "score": 0.16937405815144851 } ]
789297
A {eq}20 {/eq}-year U.S. Treasury bond has a {eq}3.50 \% {/eq} interest rate, while a same maturity corporate bond has a {eq}5.25 \% {/eq} interest rate. Real interest rates and inflation rate expectations would be the same for the two bonds. If a default risk premium of {eq}1.50 {/eq} percentage points is estimate...
0.25%
Percentage
Finance
University
6
[ { "id": "278153", "score": 0.618969707115885 }, { "id": "274229", "score": 0.6137855885140495 }, { "id": "1372601", "score": 0.5963559672173921 }, { "id": "464956", "score": 0.5864895453925811 }, { "id": "519257", "score": 0.559491299794146 } ]
36058
Suppose the own-price elasticity of market demand for retail gasoline is -0.8, the Rothschild index is 0.5, and a typical gasoline retailer enjoys sales of $1,500,000 annually.What is the price elasticity of demand for a representative gasoline retailer's product?
-1.6
Float
Economics
University
6
[ { "id": "806474", "score": 0.9888582345971622 }, { "id": "1603706", "score": 0.9825723542899993 }, { "id": "717163", "score": 0.9825723542899993 }, { "id": "897481", "score": 0.9593921288471635 }, { "id": "192019", "score": 0.9593921288471635 } ]
1929295
Suppose there are five categories of employees (administration, faculty, professional staff, clerical, and maintenance). A university decides to randomly select 10 individuals from each category. This sampling plan is called: a. simple random sampling b. stratified sampling c. cluster sampling d. systematic sampling e....
b
Multiple Choice
Mathematics
University
6
[ { "id": "420919", "score": 0.7068989965735734 }, { "id": "146788", "score": 0.5023568349827701 }, { "id": "801500", "score": 0.3472352931741317 }, { "id": "1991308", "score": 0.2673119996178994 }, { "id": "1766559", "score": 0.2644019499713407 } ]
2082950
I want to determine the present value of a perpetual annuity, which will incur an interest payment of € 1 at the end of each year; A calculative interest rate $r$ is assumed. We are at the time $t = 0$, the first payout is in $t = 1$. $$$$ Could you maybe give me a hint about how we could calculate it? Is it maybe $1+r...
1/r
Expression
Finance
University
6
[ { "id": "1501950", "score": 0.26798176490790415 }, { "id": "1193713", "score": 0.2556515508770205 }, { "id": "1336858", "score": 0.2475484691918171 }, { "id": "1417804", "score": 0.24738023229445855 }, { "id": "731699", "score": 0.2467693429724207 } ]
721620
Presented below is information related to Dino Radja Company. Date Ending Inventory (End-of-Year Prices) Price Index December 31, 2011 $66,300 100 December 31, 2012 $140,864 124 December 31, 2013 $140,012 142 December 31, 2014 ...
66,300
Integer
Business
University
6
[ { "id": "694342", "score": 0.4059754250257184 }, { "id": "1419436", "score": 0.3539683803384536 }, { "id": "1035956", "score": 0.31287790645856856 }, { "id": "1620731", "score": 0.3066733243103149 }, { "id": "147317", "score": 0.289702034521263 } ]
854279
If Drizella should collect an account in 2020 that was written off in 2019, Drizella would debit Cash for the amount received and credit: a. An income account entitled Adjustment of Prior Period Earnings. b. The Accounts Receivable account. c. The Bad Debts Expense account. d. None of these.
b
Multiple Choice
Business
University
6
[ { "id": "1232873", "score": 0.3896713557754875 }, { "id": "1749528", "score": 0.3803070642338516 }, { "id": "1672404", "score": 0.3653421322196379 }, { "id": "2041763", "score": 0.3610138953716895 }, { "id": "1085113", "score": 0.3608813704846316 } ]
561072
Huffaker Corporation paid for a new plant by signing a 10-year note payable. This transaction has what effect on working capital? a. Working capital increases. b. Working capital decreases. c. Working capital does not change. d. The effect cannot be determined.
c
Multiple Choice
Business
University
6
[ { "id": "1363320", "score": 0.3801201456933654 }, { "id": "2061131", "score": 0.3542869868928527 }, { "id": "11351", "score": 0.30704731392331996 }, { "id": "1177843", "score": 0.2813100962513693 }, { "id": "1267984", "score": 0.27817668688554764 } ]
1806221
What learning rate is being demonstrated if the first unit takes 25 hours and the third unit takes 24 hours to complete? A) Greater than or equal to 97 percent B) Less than 97 percent but greater than or equal to 95 percent C) Less than 95 percent but greater than or equal to 93 percent D) Less than 93 percent
A
Multiple Choice
Engineering
University
6
[ { "id": "2052715", "score": 0.4159635094570775 }, { "id": "1598892", "score": 0.4109050043627429 }, { "id": "709866", "score": 0.4063507716689422 }, { "id": "238486", "score": 0.3983687948068369 }, { "id": "1810049", "score": 0.39576396275681414 } ]
1583692
Let {eq}\displaystyle F =\Bigg\langle 2xy + z^2,x^2 + yz,2xz + \frac{y^2}{2}\Bigg\rangle {/eq} and let {eq}\displaystyle C {/eq} be the circle {eq}\displaystyle r (t) = \Bigg\langle 5 \sin t, 2 \sin t, 6 \cos t\Bigg\rangle {/eq} for {eq}\displaystyle 0\leq t\leq 2\pi {/eq}. Evaluate {eq}\displaystyle \oint_C ...
0
Integer
Mathematics
University
6
[ { "id": "1648143", "score": 0.679691085117959 }, { "id": "168651", "score": 0.675852423726002 }, { "id": "1049625", "score": 0.6743243747822626 }, { "id": "1727410", "score": 0.6703622931975091 }, { "id": "1699534", "score": 0.6539031769947852 } ]
221443
In the Ricardian model, a country has a comparative advantage in producing a product if: a) Its cost of production of that product, in worker hours, is lower relative to the cost of production of the other product, b) Its cost of production, in dollars, is lower than the cost of production of the same good in the oth...
d
Multiple Choice
Economics
University
6
[ { "id": "1131833", "score": 0.45509648884995196 }, { "id": "1040854", "score": 0.45509648884995196 }, { "id": "58361", "score": 0.4532844758486286 }, { "id": "561954", "score": 0.37206746654229206 }, { "id": "296309", "score": 0.35342442958421705 } ]
935104
Which of the following are advantages of the corporate form of organization? I. Ability to raise large sums of equity capital. II. Ease of ownership transfer. III. Separation of ownership and management. IV. Limited liability for all owners. a) I and II only b) III and IV only c) II, III, and IV only d) I, II, ...
e
Multiple Choice
Business
University
6
[ { "id": "950134", "score": 0.7856615211762459 }, { "id": "1967457", "score": 0.7777358118777247 }, { "id": "1278460", "score": 0.7229484651055956 }, { "id": "1048437", "score": 0.6713004813959049 }, { "id": "736349", "score": 0.6713004813959049 } ]
1539687
Compute the Euler totient function $\phi(2777)$.
2776
Integer
Mathematics
University
6
[ { "id": "1080974", "score": 0.6781022778610963 }, { "id": "2037629", "score": 0.6781022778610963 }, { "id": "1863051", "score": 0.6781022778610963 }, { "id": "1078536", "score": 0.6781022778610963 }, { "id": "606090", "score": 0.6781022778610963 } ]
85492
Evaluate the limit, if it exists: \(\displaystyle \lim_{x \to \infty} \frac{\ln(7 \ln(6x))}{\ln x}\)
0
Integer
Mathematics
University
6
[ { "id": "1755799", "score": 0.7563025995063888 }, { "id": "1231151", "score": 0.7495464430371874 }, { "id": "1317900", "score": 0.6695284084081354 }, { "id": "351551", "score": 0.6128769979996082 }, { "id": "1033112", "score": 0.5916549949297798 } ]
306228
Which schedule and/or financial statement would direct labor be reported? a. Cost of Goods Manufactured Schedule. b. Cost of Goods sold Schedule. c. Balance Sheet. d. Income Statement.
a
Multiple Choice
Business
University
6
[ { "id": "602213", "score": 0.3167825227310258 }, { "id": "1061150", "score": 0.2984720260689892 }, { "id": "888856", "score": 0.29457465632015434 }, { "id": "298878", "score": 0.2878666182722508 }, { "id": "1308999", "score": 0.2875003159522911 } ]
1702237
The following are the account balances of Rourke Co. at August 31, 2014: Dividends Payable$20,000 Cash$127,000 Preferred Stock, $100 per100,000 Common Stock, $1 par200,000 Paid-in Capital in Excess of Par-Common50,000 Retained Earrings 325,000 What would Rourke's total stockholders' equity be if Rourke had $5,000 of ...
B
Multiple Choice
Business
University
6
[ { "id": "290301", "score": 0.4927579386720893 }, { "id": "2097696", "score": 0.48558986026283874 }, { "id": "1248554", "score": 0.48336257764210555 }, { "id": "314437", "score": 0.4723556504707469 }, { "id": "1963527", "score": 0.4716190584448603 } ]
2075471
Consider a t distribution with 25 degrees of freedom. Find the value of c such that P(-c < t < c) = 0.99. Round your answer to at least three decimal places.
2.787
Float
Mathematics
University
6
[ { "id": "980309", "score": 0.8715307630327198 }, { "id": "489049", "score": 0.8467384666787405 }, { "id": "2091671", "score": 0.6173597066010412 }, { "id": "2058594", "score": 0.5056669198499555 }, { "id": "1155154", "score": 0.4324177444418937 } ]
1368028
Matthew Simmons is studying what he suspects may be a new prion disease, and he conducts several experiments to test this idea. If truly caused by prions, which experiment would lead to infection of the subject? Select all that apply. A. Experiment A: Brain tissue from an infected individual is transferred to the test...
A, B, C
Multiple Choice
Biology
University
6
[ { "id": "1562084", "score": 1.0000000000000002 }, { "id": "844107", "score": 0.2090568444897168 }, { "id": "1805765", "score": 0.20262157355056745 }, { "id": "1378226", "score": 0.1977473170735124 }, { "id": "1628059", "score": 0.18285581841559825 } ]
86763
If a consumer's marginal rate of substitution is greater than the relative price of the goods, the consumer is a. perhaps at his or her best affordable point. b. at his or her best affordable point. c. not at his or her best affordable point and should move along his or her indifference curve to a higher budget line...
d
Multiple Choice
Economics
University
6
[ { "id": "1811049", "score": 0.26515242546534956 }, { "id": "1844807", "score": 0.26042223763518435 }, { "id": "321497", "score": 0.25574942871451745 }, { "id": "1048608", "score": 0.2374933520761153 }, { "id": "1785750", "score": 0.23596770928198987 } ]
1368935
Suppose that the central bank buys $100 worth of bonds on the open market from bankA. (Suppose BankA bought the $100 worth of bonds previously using its then only $100 excess reserves.) Assume that the required reserve ratio is 10 percent, banks keep no excess reserves, and there are no cash leakages. After banks have ...
$1000
Integer
Economics
University
6
[ { "id": "1038316", "score": 0.4782067083060088 }, { "id": "688078", "score": 0.4782067083060088 }, { "id": "822545", "score": 0.41546663045592086 }, { "id": "483356", "score": 0.3404015625439177 }, { "id": "176185", "score": 0.3165253484727642 } ]
867181
What is the future worth of an equal payment series of $3,000 each quarter for 5 years if the interest rate is 8% per year compounded continuously? a) $73,037 b) $72,892 c) $70,862 d) $70,399
a
Multiple Choice
Finance
University
6
[ { "id": "676776", "score": 0.2567014591191286 }, { "id": "1863785", "score": 0.24505665130008966 }, { "id": "31025", "score": 0.21427793879518287 }, { "id": "16288", "score": 0.198430577946065 }, { "id": "1042520", "score": 0.1949972250730855 } ]
623140
Which of the following does not minimize ordering costs when using JIT purchasing? A. Reducing the number of vendors. B. Negotiating long-term supply agreements. C. Making less frequent payments. D. Maintaining a safety stock. E. Eliminating inspections.
D
Multiple Choice
Business
University
6
[ { "id": "1626775", "score": 0.16574369428136193 }, { "id": "90833", "score": 0.1599560531743014 }, { "id": "1380378", "score": 0.14909910464748038 }, { "id": "85818", "score": 0.13951458582439114 }, { "id": "800567", "score": 0.1392408165892924 } ]
345979
Find the volume of the solid which is bounded by the paraboloid z= x^2+y^2 and the plane z=9.
81\pi / 2
Expression
Mathematics
University
6
[ { "id": "1646045", "score": 0.6201812617008177 }, { "id": "1940272", "score": 0.6189291411040846 }, { "id": "880180", "score": 0.5562962548769604 }, { "id": "1429191", "score": 0.5521686718213435 }, { "id": "1803185", "score": 0.545660630268961 } ]
1930221
How large a sample will she need to be 90% confident that her sample mean will be within 15 seconds of the true mean? Assume that it is known from previous studies that σ = 40 seconds.
20
Integer
Mathematics
University
6
[ { "id": "950907", "score": 0.4163077103509374 }, { "id": "1834137", "score": 0.3884710003096778 }, { "id": "2065722", "score": 0.36514996702511815 }, { "id": "1432277", "score": 0.3548112924068579 }, { "id": "136955", "score": 0.3238735079108394 } ]
434880
Consider a time-series regression model below: {eq}Yt = \beta_0 + \beta_1Y_{t-1} + ut, t = 1...T {/eq} a. What is the problem if {eq}\beta_1 = 1? {/eq} b. The variable Yt has a unit root. c. The variable Yt is not stationary. d. All of the above.
D
Multiple Choice
Mathematics
University
6
[ { "id": "1423677", "score": 0.3143663410575035 }, { "id": "473427", "score": 0.3015650943506821 }, { "id": "1931528", "score": 0.28054526674185304 }, { "id": "195195", "score": 0.2753027248542893 }, { "id": "2020589", "score": 0.27505502136171717 } ]
234361
Let $f: [t_1, t_2]\times \mathbb{R}^n \to \mathbb{R}^n, (t,y)\to f(t,y)$ such that $|\partial_{y_j} f_i|$ is continuous and bounded for every $i,j=1,...n$. Then f has $\sqrt n L$ as Lipschitz constant (with respect to y uniformly in t) where $L>0$ is such that $|\partial_{y_j} f_i|\le L$. How to get $\sqrt n L$ as Lips...
\sqrt{n}L
Expression
Mathematics
University
6
[ { "id": "420156", "score": 0.3816825958424828 }, { "id": "1482592", "score": 0.2725292162298697 }, { "id": "1311350", "score": 0.26780333442376586 }, { "id": "1873833", "score": 0.2626782445706114 }, { "id": "1377733", "score": 0.24824111507737295 } ]
533812
Employ Taylor series method to obtain, correct to four places of decimals, the solution of the differential equation dy/dx = x^2 + y^2 with y(0) = 0 for x = 0.4. I don't understand how to differentiate y to get y', y", and so on. Specifically, how are y' = x^2 + y^2 and y" = 2x + 2yy' derived? Can you explain the ste...
0.0213
Float
Mathematics
University
6
[ { "id": "321987", "score": 0.27266922132925775 }, { "id": "2034878", "score": 0.260114960619353 }, { "id": "113412", "score": 0.2435485615920927 }, { "id": "1514202", "score": 0.23465455928401482 }, { "id": "31328", "score": 0.21024167549051498 } ]
1325291
Total factor productivity refers to: a. the miracle factors in the growth of the newly industrialized economies. b. the average productivity of all factors employed in an economy. c. a measure of the productivity of capital and technology. d. the returns to investment in human capital.
b
Multiple Choice
Economics
University
6
[ { "id": "1411460", "score": 0.41655314929304665 }, { "id": "1797166", "score": 0.35064009073676006 }, { "id": "445357", "score": 0.32537975549576104 }, { "id": "2048957", "score": 0.2759946218691862 }, { "id": "1822746", "score": 0.22077424273495114 } ]
1429970
How do I evaluate $\lim _{x\to 0}\left(\frac{x-\sin x}{x\sin x}\right)$ without using L'Hopital or series?
0
Integer
Mathematics
University
6
[ { "id": "2037281", "score": 0.60867012777807 }, { "id": "1927912", "score": 0.565048981021333 }, { "id": "653286", "score": 0.5595344516879782 }, { "id": "1235423", "score": 0.4978430987548943 }, { "id": "137638", "score": 0.4840080986192084 } ]
1721176
Which of the following statements concerning a process cost accounting system is false? A. The units in the beginning inventory plus the units transferred in during the month should equal the units in the ending inventory plus the units transferred out during the month. B. If material is used evenly throughout a proc...
C
Multiple Choice
Business
University
6
[ { "id": "1138660", "score": 0.6577299746928559 }, { "id": "1894615", "score": 0.6382624258779563 }, { "id": "1698668", "score": 0.5761188995223346 }, { "id": "1909113", "score": 0.5544613646908079 }, { "id": "46553", "score": 0.5463110146324144 } ]
902948
The target capital structure for Jowers Manufacturing is 49 percent common stock,12 percent preferred stock, and 39 percent debt. If the cost of common equity for the firm is 20.1 percent, the cost of preferred stock is 11.1 percent, the firm's tax rate is 34 percent, and the before-tax cost of debt is 9.4 percent, the...
13.60%
Percentage
Business
University
6
[ { "id": "400685", "score": 0.6796783700891345 }, { "id": "1598892", "score": 0.624944933189321 }, { "id": "1810049", "score": 0.6235987097832282 }, { "id": "1099344", "score": 0.6080443142542806 }, { "id": "589950", "score": 0.5971236187214871 } ]
824168
Using the limit definition, how do you find the derivative of f(x) = x^4?
4x^3
Expression
Mathematics
University
6
[ { "id": "221623", "score": 1 }, { "id": "2067661", "score": 0.8687120552644313 }, { "id": "705383", "score": 0.7630312388705142 }, { "id": "1485405", "score": 0.756639354514313 }, { "id": "1016318", "score": 0.727091603443947 } ]
1263697
Borris Industries operates in an industry that has a Rothschild index of 0.75. The firm gained access to a government report that revealed the own-price elasticity of market demand within the industry to be -3. Use this information to obtain an estimate of the own-price elasticity of demand for the product produced by ...
-4
Integer
Economics
University
6
[ { "id": "724445", "score": 0.278166858294597 }, { "id": "1772930", "score": 0.26516296789691984 }, { "id": "1336212", "score": 0.26516296789691984 }, { "id": "951038", "score": 0.2593041432768802 }, { "id": "339609", "score": 0.2583458061864334 } ]
1315020
Which of the following factors affects the costs of nonmarket action? a) size of the interest groups and its coverage of legislative districts b) per capita benefits for a union c) increase in demand for a company's products d) creating substitutes closer to replicating the benefits
a
Multiple Choice
Economics
University
6
[ { "id": "1886832", "score": 0.21360699198849456 }, { "id": "397135", "score": 0.21217538528976962 }, { "id": "1475210", "score": 0.20430960871476908 }, { "id": "679450", "score": 0.2027823321804252 }, { "id": "317166", "score": 0.161958657910514 } ]
188244
Find the area of the region cut from the plane 6x + 3y + 2z = 1 by the cylinder whose walls are x = y^2 and x = 18 - y^2. The area of the surface is _____.
252
Integer
Mathematics
University
6
[ { "id": "1019835", "score": 0.6087652321359649 }, { "id": "1970052", "score": 0.5567804731403674 }, { "id": "415907", "score": 0.4525384834159849 }, { "id": "229079", "score": 0.4424795392067875 }, { "id": "1040716", "score": 0.41977942164056137 } ]
739183
The type of policy making that is not in response to actual or potential changes in overall economic activity is called a. discriminatory policy making. b. discretionary policy making. c. passive policy making. d. active policy making.
c
Multiple Choice
Economics
University
6
[ { "id": "904574", "score": 0.4106795202651249 }, { "id": "2035481", "score": 0.4106795202651249 }, { "id": "1682006", "score": 0.3537537450486852 }, { "id": "475169", "score": 0.3403068402227436 }, { "id": "10168", "score": 0.338602501113429 } ]
1727019
How can I prove that $\lim_{(x,y) \to (0,0)}\frac{3 x^3 y^2 - x y^6}{(x^2 + y^4)^2} = 0$?
0
Expression
Mathematics
University
6
[ { "id": "1542550", "score": 0.6008175176635606 }, { "id": "1260140", "score": 0.5875233817963295 }, { "id": "1216051", "score": 0.5691978556559496 }, { "id": "1167230", "score": 0.5304107276443366 }, { "id": "2048095", "score": 0.5191846013008332 } ]
1724757
Haley's Hair Salon is considering opening a new location in Pompadour, California. The cost of building a new salon is $306,700. A new salon will normally generate annual revenues of $70,700, with annual expenses (including depreciation) of $40,800. At the end of 15 years, the salon will have a salvage value of $75,100...
16%
Percentage
Business
University
6
[ { "id": "1388859", "score": 0.8496462233240561 }, { "id": "409115", "score": 0.8476693261821311 }, { "id": "513481", "score": 0.8059204270821471 }, { "id": "26594", "score": 0.20050059873845694 }, { "id": "916881", "score": 0.19024536130351835 } ]
1167487
At a large public university, GPAs are normally distributed. If the mean GPA is 2.90 and the population standard deviation is .75, what is the probability that randomly chosen student will have a GPA of less than 2.75?
0.4207
Float
Mathematics
University
6
[ { "id": "545284", "score": 0.5074779297289629 }, { "id": "849572", "score": 0.44044554620661747 }, { "id": "906713", "score": 0.40974707733181126 }, { "id": "2005057", "score": 0.39986982188264014 }, { "id": "1022032", "score": 0.3337351403267643 } ]
503242
What is the shortest distance from the surface xy+9x+z^2=76 to the origin?
7
Integer
Mathematics
University
6
[ { "id": "294438", "score": 0.6808291693160526 }, { "id": "2069909", "score": 0.40413370376335306 }, { "id": "540806", "score": 0.27525456006389654 }, { "id": "170833", "score": 0.2595986106775992 }, { "id": "853088", "score": 0.2514595066395253 } ]
661110
$$\lim_{x\to0^+}(1+3x)^\frac{-2}{3x^3}$$ How to evaluate this limit without using L'Hopital's rule or directly dealing with the limit of the form $\lim _{x\to \infty }\left(f\left(x\right)^{g\left(x\right)}\right)$? Is there a simpler way than using the squeeze theorem after transforming the expression to something inv...
0
Integer
Mathematics
University
6
[ { "id": "1352235", "score": 0.39607144427141416 }, { "id": "253835", "score": 0.39607144427141416 }, { "id": "2097000", "score": 0.38429967620791505 }, { "id": "999252", "score": 0.37659979695145585 }, { "id": "1778461", "score": 0.3729605346186802 } ]
1672283
How many households should you survey if you want to be 94% confident that your sample percentage has a margin of 3%, given a previous study suggests vehicles are owned in 86% of households?
473
Integer
Mathematics
University
6
[ { "id": "738282", "score": 0.28717956195297023 }, { "id": "978927", "score": 0.2746305914653855 }, { "id": "139765", "score": 0.23303517342887747 }, { "id": "1830869", "score": 0.2329102355164216 }, { "id": "1263344", "score": 0.21534136816177513 } ]
343461
How is a mortgage payable (due in 2 years) classified on the balance sheet? a. current liability b. long-term liability c. current or long-term liability d. none of the above
b
Multiple Choice
Business
University
6
[ { "id": "1452802", "score": 0.5545377946812882 }, { "id": "480079", "score": 0.5082169083259203 }, { "id": "1102918", "score": 0.4609075019375489 }, { "id": "1962279", "score": 0.4044188479579545 }, { "id": "823246", "score": 0.3318409521671657 } ]
481247
If the Federal Reserve decreases money supply, then... a) The money supply curve will shift up and interest rates will increase b) The money supply curve will shift up and interest rates will decrease
a
Multiple Choice
Economics
University
6
[ { "id": "481247", "score": 1.0000000000000002 }, { "id": "1407153", "score": 0.510660061523366 }, { "id": "666961", "score": 0.4986507254908592 }, { "id": "18386", "score": 0.47648640695135475 }, { "id": "1936524", "score": 0.47590001102596285 } ]
872107
Karenna Fifeman, a single taxpayer from Florida, purchased a piece of land on Marco Island for $4,000 as an investment back in 20X1. Earlier this year on January 14, 20X6, Karenna purchased $1,100 of stock as an investment. On June 5, 20X6, she donated the land and stock, with fair market values of $10,600 and $2,000 r...
$12,600
Integer
Economics
University
6
[ { "id": "1814649", "score": 0.3319171596460576 }, { "id": "1199504", "score": 0.25742083240231245 }, { "id": "1967942", "score": 0.2514535022882357 }, { "id": "1294646", "score": 0.1949609783845057 }, { "id": "1517351", "score": 0.1946531913436658 } ]
464091
If the desired intermediate target is a monetary aggregate, then the preferred policy instrument will be a(n) _____ variable like the _____. A) interest rate; three-month T-bill rate B) interest rate; federal funds rate C) reserve aggregate; monetary base D) reserve aggregate; narrow money supply M1
C
Multiple Choice
Economics
University
6
[ { "id": "1043574", "score": 0.41808513201958375 }, { "id": "1044426", "score": 0.4061479451126198 }, { "id": "902827", "score": 0.34739469613774876 }, { "id": "48785", "score": 0.3318021079854581 }, { "id": "1060229", "score": 0.31655291207020086 } ]
808722
Suppose that the position of a nation's long-run aggregate supply curve has not changed, but its long-run equilibrium price level has increased. Which of the following factors might account for this event? a. A rise in the value of the domestic currency relative to other world currencies. b. An increase in the quanti...
b
Multiple Choice
Economics
University
6
[ { "id": "1166369", "score": 0.4242497315556529 }, { "id": "280728", "score": 0.4105674288562849 }, { "id": "1822104", "score": 0.39558231613549344 }, { "id": "1724185", "score": 0.3681422719278044 }, { "id": "784146", "score": 0.3549473096347306 } ]
1887420
Choose the most appropriate/best statement. a) The initiation stage of carcinogenesis can occur after a single exposure to a carcinogen. b) The initiation stage of carcinogenesis is easily reversible and mostly temporarily. c) Epigenetic events that modulate gene expression cannot impact/affect carcinogenesis. d) ...
a
Multiple Choice
Biology
University
6
[ { "id": "231919", "score": 0.21063092903335756 }, { "id": "1851995", "score": 0.15341445610187648 }, { "id": "1946006", "score": 0.14972636751743745 }, { "id": "988825", "score": 0.12790025898356625 }, { "id": "609292", "score": 0.11074926342288942 } ]
1530218
If $y = (e^x)^{-1}$ and I use the chain rule with the substitution $u=e^x$ (giving $y = u^{-1}$), why do I get the wrong derivative $-e^{-2x}$?
-e^{-x}
Expression
Mathematics
University
6
[ { "id": "1108159", "score": 0.3907475284562464 }, { "id": "1225934", "score": 0.3269935453512452 }, { "id": "159010", "score": 0.3178028368363943 }, { "id": "1137226", "score": 0.3017806900476514 }, { "id": "1004380", "score": 0.28510754513427194 } ]
338623
Compute the mean of X given the following probability distribution: X (languages): 1, 2, 3, 4, 5 Probability: 0.7973, 0.1163, , 0.0077, 0.0019
1.3006
Float
Mathematics
University
6
[ { "id": "2010149", "score": 0.2965195280575463 }, { "id": "489046", "score": 0.2846549095350369 }, { "id": "1645236", "score": 0.2528905722158765 }, { "id": "1578054", "score": 0.23178556240107634 }, { "id": "1572918", "score": 0.22474002658264064 } ]
763780
Assume that your firm's marginal tax rate is 35% and that your firm has the following capital structure: Bonds coupon rate = 6% Yield-to-maturity = 6.5% Market value of bonds = $25 million Book value of bonds = $30 million Common stock Book value of common shares = $25 million Market value of common shares = $50...
7.81%
Percentage
Business
University
6
[ { "id": "463529", "score": 0.5721302281159127 }, { "id": "1892820", "score": 0.5711175856331392 }, { "id": "1272653", "score": 0.5086840610079083 }, { "id": "264779", "score": 0.49911949324836463 }, { "id": "1205960", "score": 0.48236495837037324 } ]
289803
The last dividend paid by Wilden Corporation was $3.75. The dividend growth rate is expected to be constant at 1.5% for 2 years, after which, dividends are expected to grow at a rate of 8.0% forever. The firm's required return is 12.0%. What is the best estimate of the current stock price? a. $88.50 b. $89.63 c. $87...
B
Multiple Choice
Business
University
6
[ { "id": "1556545", "score": 0.5015441333130795 }, { "id": "1786628", "score": 0.47918574379197826 }, { "id": "174235", "score": 0.4659042704431272 }, { "id": "363736", "score": 0.4340040091998666 }, { "id": "1172211", "score": 0.4077285304992417 } ]
939373
Find a prime $p$ such that $f(x)=x^6 - x^3 +1$ factors in to linear factors in $\mathbb{F}_p[x]$. I know that $f(x)$ is the $18$-th cyclotomic polynomial, $\Phi_{18}(x)$. For a prime $p$ which does not divide $18$, the roots of $\Phi_{18}(x)$ are exactly the elements $\alpha \in \mathbb{F}_p$ such that $\alpha^{18} = 1...
p=19
Integer
Mathematics
University
6
[ { "id": "1352420", "score": 0.35271119601128686 }, { "id": "1747725", "score": 0.3320539904417399 }, { "id": "1663898", "score": 0.32674516430352124 }, { "id": "1465024", "score": 0.3159456883937078 }, { "id": "279968", "score": 0.3150780797512475 } ]
1283968
Because there are no diminishing returns in the stock of ideas in the Romer model: a) old ideas continue to contribute to current economic growth, b) economic growth cannot be sustained forever, c) the economy eventually reaches a steady state, d) economic growth eventually slows, e) new ideas must be continually ...
e
Multiple Choice
Economics
University
6
[ { "id": "2057750", "score": 0.24200932444579099 }, { "id": "231919", "score": 0.24036661835397108 }, { "id": "549427", "score": 0.23304278155410318 }, { "id": "1909930", "score": 0.20730604571850442 }, { "id": "1924786", "score": 0.20539784872392178 } ]
449596
Find the sample size necessary to estimate the mean IQ scores of statistics students such that it can be said with 95% confidence that the sample mean is within 8 IQ points of the true mean, assuming a standard deviation of 10. Determine the required sample size using technology.
7
Integer
Mathematics
University
6
[ { "id": "1167821", "score": 0.8276426903108818 }, { "id": "1347470", "score": 0.5717565706469506 }, { "id": "460889", "score": 0.5298212913338636 }, { "id": "2043469", "score": 0.4670271807589912 }, { "id": "1675419", "score": 0.46638318593016237 } ]
954589
$\mathbb{Q}$ is the rationals. I know that $\sqrt3 \notin \mathbb{Q}(\sqrt2)$ but so what? What does this mean in finding the minimal polynomial?
$x^2-3$
Expression
Mathematics
University
6
[ { "id": "817376", "score": 0.5759543288549964 }, { "id": "1971546", "score": 0.46599769385905293 }, { "id": "1352420", "score": 0.359551661687562 }, { "id": "374320", "score": 0.3482678498003039 }, { "id": "1663898", "score": 0.34814255650372466 } ]
1154417
Use Taylor's theorem to prove that $\displaystyle\lim_{n \to \infty} n \ln\left(1+\frac{1}{n}\right)=1$
1
Integer
Mathematics
University
6
[ { "id": "903215", "score": 0.6759129211557774 }, { "id": "1755799", "score": 0.6511673404076683 }, { "id": "1030085", "score": 0.6081763746155275 }, { "id": "559987", "score": 0.5780003966823005 }, { "id": "210661", "score": 0.556502794206337 } ]
2065247
find the maximal ideal of the ring $$ \frac{\mathbb{R}[x]}{ (x^2)} $$
(x)
Expression
Mathematics
University
6
[ { "id": "1287700", "score": 0.5192081442216082 }, { "id": "971855", "score": 0.4623465495232429 }, { "id": "1240824", "score": 0.4026585874765633 }, { "id": "1267636", "score": 0.400377734193898 }, { "id": "1905584", "score": 0.39805646606379774 } ]
1646367
Consider a population with a mean of 100 and variance of 900. If a random sample of size n = 30 is obtained, what is the probability that the mean is less than 96?
0.2327
Float
Mathematics
University
6
[ { "id": "304669", "score": 0.5107734585795223 }, { "id": "136955", "score": 0.4935358215276532 }, { "id": "1008313", "score": 0.4899921638923701 }, { "id": "1201801", "score": 0.4677275474758086 }, { "id": "1526496", "score": 0.46761672363214357 } ]
1789144
The ABC Company collected the following annual information on total net sales and total operating costs: Year: 2015, Total Net Sales: $21,000, Total Operating Costs: $16,000 Year: 2016, Total Net Sales: $22,000, Total Operating Costs: $16,400 In 2017, total net sales are budgeted to be $24,000. Using the high-low metho...
$17,200
Integer
Business
University
6
[ { "id": "1207251", "score": 0.9465118965662581 }, { "id": "220697", "score": 0.5331313171736485 }, { "id": "931782", "score": 0.4165864306772997 }, { "id": "510378", "score": 0.40533573710182175 }, { "id": "975351", "score": 0.3995084170808487 } ]
301898
Evaluate the definite integral. {eq}\int\limits_0^{\ln 7} {\tanh x \ dx}
ln(25/7)
Expression
Mathematics
University
6
[ { "id": "892489", "score": 0.5121141833909557 }, { "id": "1085572", "score": 0.5080302833987689 }, { "id": "317045", "score": 0.4826410917859203 }, { "id": "561632", "score": 0.47720966824204275 }, { "id": "1886893", "score": 0.47689215741785373 } ]
517933
On March 1, 2019, Annapolis Company has a beginning Work in Process inventory of zero. All materials are added into production at the beginning of its production. There is only one production WIP inventory. During the month 31,000 units were started. At the end of the month all started units were 75% complete with resp...
$12.58
Float
Business
University
6
[ { "id": "797123", "score": 0.9230308542326581 }, { "id": "745681", "score": 0.6716636054613367 }, { "id": "1387522", "score": 0.5777165631029817 }, { "id": "886970", "score": 0.5618013897162447 }, { "id": "65755", "score": 0.5156249284589275 } ]
672262
A business received an offer from an exporter for 10,000 units of product at $17.50 per unit. The acceptance of the offer will not affect normal production or domestic sales prices. The following data is available: Domestic unit sales price $20 Unit manufacturing costs: Variable 11 Fixed 1 What is the differential cost...
D
Multiple Choice
Business
University
6
[ { "id": "1109252", "score": 0.42295777448036787 }, { "id": "59315", "score": 0.38073451390389407 }, { "id": "1573756", "score": 0.38073451390389407 }, { "id": "1297931", "score": 0.3461141443731778 }, { "id": "1139555", "score": 0.34076711187892217 } ]
1798573
The continuous random variable X has the joint probability density $f(x)=a x \sin(x) e^{-x}$ for $0<x<\infty$ and 0 otherwise. Find the normalization constant a.
2
Integer
Mathematics
University
6
[ { "id": "1680107", "score": 0.4445873114073381 }, { "id": "1364918", "score": 0.3994994848891519 }, { "id": "969300", "score": 0.33970709507267144 }, { "id": "1902022", "score": 0.32652344714527226 }, { "id": "1138335", "score": 0.32648534050606104 } ]
559541
Great Products Company currently outsources an electrical switch that is a component in one of its products. The switches cost $20 each. The company is considering making the switches internally at the following projected annual production costs: Unit level material cost$3 Unit level labor cost2 Unit level over head1...
A
Multiple Choice
Business
University
6
[ { "id": "1296861", "score": 0.3115267437026007 }, { "id": "1717324", "score": 0.30848410639060286 }, { "id": "1023577", "score": 0.2380741791193561 }, { "id": "1591918", "score": 0.23231505947174227 }, { "id": "1525260", "score": 0.22705800434006537 } ]
152250
How does the symmetric difference of an augmenting path with a matching increase the matching length by 1?
1
Integer
Mathematics
University
6
[ { "id": "731371", "score": 0.2918000397872147 }, { "id": "647253", "score": 0.2265213621574647 }, { "id": "2004238", "score": 0.17771303649756454 }, { "id": "1082994", "score": 0.17321274732229355 }, { "id": "1502535", "score": 0.16735319780789226 } ]
563631
A sample is selected from a population with {eq}\mu=80{/eq}, and a treatment is administered to the sample. If the sample variance is {eq}s^2=20{/eq}, which set of sample characteristics is most likely to lead to a decision that there is a significant treatment effect? A) M=90 for a sample of n=25. B) M=85 for a samp...
D
Multiple Choice
Mathematics
University
6
[ { "id": "99264", "score": 0.520288585518491 }, { "id": "1182614", "score": 0.5081582504959155 }, { "id": "1675419", "score": 0.4443110161019787 }, { "id": "1182552", "score": 0.43474173993007303 }, { "id": "546666", "score": 0.4306216633890133 } ]
474065
Find the directional derivative of {eq}f(x,y) = -2x^2 - 2y^2{/eq} at the point (-3,-1) in the direction given by the angle {eq}\theta = 2\pi{/eq}
12
Integer
Mathematics
University
6
[ { "id": "1309881", "score": 0.7198523742497698 }, { "id": "1875576", "score": 0.6932431947110853 }, { "id": "265429", "score": 0.6642500523596279 }, { "id": "807862", "score": 0.6380824893971488 }, { "id": "305664", "score": 0.6261595066388002 } ]
1749353
The marginal revenue product a) gives the change in the total product when an additional unit of a good is hired. b) always increases when there is an increase in a variable input. c) represents the incremental contribution to the firm's total revenues obtained from an increase in a variable input. d) gives the i...
c
Multiple Choice
Economics
University
6
[ { "id": "227193", "score": 0.5773375142569726 }, { "id": "210015", "score": 0.41462493544511597 }, { "id": "467087", "score": 0.36758886733321583 }, { "id": "419211", "score": 0.3263506100088001 }, { "id": "1713099", "score": 0.31564415429553566 } ]
331042
To accomplish a successful repositioning of the brand, Taco Bell needed to inform its consumers that Taco Bell food should be thought of as an experience rather than as just fuel. In the communication process, Taco Bell would be the _____ and the consumer would be the _____. a. message, receiver b. source, receiver ...
b
Multiple Choice
Business
University
6
[ { "id": "331042", "score": 0.9999999999999998 }, { "id": "1318126", "score": 0.1910190945346952 }, { "id": "1313111", "score": 0.19077725400828413 }, { "id": "120428", "score": 0.17361048599098086 }, { "id": "340094", "score": 0.14762847930145306 } ]
951034
Economic profit is: A. total revenue minus explicit measurable costs. B. explicit revenues minus explicit costs. C. implicit and explicit revenues minus implicit and explicit costs. D. implicit and explicit revenues minus implicit costs.
C
Multiple Choice
Economics
University
6
[ { "id": "226098", "score": 0.6176981044519617 }, { "id": "1519621", "score": 0.4987484275617401 }, { "id": "286499", "score": 0.32968785382844285 }, { "id": "1830760", "score": 0.3263142741067515 }, { "id": "914998", "score": 0.3261320276741156 } ]
1007720
Income elasticity refers to: a. Percentage change in quantity demanded divided by the percentage change in price, b. Movement down along a demand curve, c. Movement up along a demand curve, d. Horizontal shift of a demand curve, e. Vertical shift of a demand curve.
d
Multiple Choice
Economics
University
6
[ { "id": "659209", "score": 0.6647942376305167 }, { "id": "681881", "score": 0.6647942376305167 }, { "id": "429573", "score": 0.6239616726182948 }, { "id": "1761891", "score": 0.6198684671272557 }, { "id": "666961", "score": 0.6061557221371816 } ]
384104
A dividend grows from $1 in year 1, to $1.02 in year 2, to $1.0404 in year 3, and is expected to continue the same rate of growth forever. The required return on the stock is 8%. What is the price of the stock today?
$16.67
Float
Mathematics
University
6
[ { "id": "1820163", "score": 0.5033770830091155 }, { "id": "537368", "score": 0.46732171619530394 }, { "id": "1873834", "score": 0.46092821227958414 }, { "id": "1786628", "score": 0.45128983341181816 }, { "id": "1077679", "score": 0.42478541186781377 } ]
1409830
James Consol Company's current stock price is $24, and its last dividend was $1.60. In view of the firm's strong financial position and its consequent low risk, its required rate of return is only 12 percent. If dividends are expected to grow at a constant rate, g, in the future, and if ke is expected to remain constan...
$30.63
Float
Finance
University
6
[ { "id": "1263263", "score": 0.4888103267381711 }, { "id": "537368", "score": 0.44516458372940715 }, { "id": "868571", "score": 0.43315373208746444 }, { "id": "1233350", "score": 0.4237929324280886 }, { "id": "1820163", "score": 0.4078330836688163 } ]
512557
The MACRS basis of a 5-year property acquired on January 13, 20X1 is $10,000. No Section 179 or bonus depreciation is taken on the property. The property is sold on July 31, 20X3. If the half-year convention applies 133 personal property acquired in 20X1 and the regular (accelerated) MACRS method is used, depreciation ...
D
Multiple Choice
Business
University
6
[ { "id": "930441", "score": 0.7989867289388582 }, { "id": "62555", "score": 0.31197988085500583 }, { "id": "1541260", "score": 0.29470808798062686 }, { "id": "1983821", "score": 0.29400786841717713 }, { "id": "1084265", "score": 0.26753527413011474 } ]
964496
In examining the invoices issued by a company, an auditor finds that the dollar amounts of invoices have a mean of $1,732 and a standard deviation of $298. What is the probability that for a sample of 45 invoices, the average invoice is greater than $1,800?
0.063
Float
Mathematics
University
6
[ { "id": "1048077", "score": 0.2115287141798876 }, { "id": "388102", "score": 0.19961492479391535 }, { "id": "304669", "score": 0.19547739010894702 }, { "id": "350684", "score": 0.1895337328001739 }, { "id": "649293", "score": 0.1895337328001739 } ]
1166036
Consider the market for Chinese food in a large city like Philadelphia. If the number of Chinese restaurants increases and the price elasticity of demand for Chinese food is 2.0, then the equilibrium price of Chinese food will _, the equilibrium quantity demanded of Chinese food will _, and total Chinese food revenue w...
c
Multiple Choice
Economics
University
6
[ { "id": "918569", "score": 1.0000000000000002 }, { "id": "1655872", "score": 0.40470563452265523 }, { "id": "1745183", "score": 0.37884696737439594 }, { "id": "833356", "score": 0.3765968160534759 }, { "id": "533588", "score": 0.3719133754367692 } ]
1971396
Which of the following statements is FALSE: A) We should use the general dividend discount model to value the stock of a firm with rapid or changing growth. B) As firms mature, their growth slows to rates more typical of established companies. C) The dividend discount model values the stock based on a forecast of th...
A
Multiple Choice
Business
University
6
[ { "id": "1466377", "score": 0.34434437961773817 }, { "id": "1373860", "score": 0.32634248444075487 }, { "id": "1786628", "score": 0.32116736670931073 }, { "id": "2012710", "score": 0.30452862007516557 }, { "id": "1980726", "score": 0.30417944477425524 } ]
126382
The diameter of a brand of Ping-Pong balls is approximately normally distributed with a mean of 1.30 inches and a standard deviation of 0.04 inch. If 16 Ping-Pong balls are selected at random, what is the probability that the sample mean is between 1.31 and 1.33 inches?
0.1574
Float
Mathematics
University
6
[ { "id": "840727", "score": 0.40579878973956585 }, { "id": "874027", "score": 0.39435478208607644 }, { "id": "622186", "score": 0.3802522941691512 }, { "id": "166794", "score": 0.37222120995449537 }, { "id": "582371", "score": 0.34477754978553243 } ]
1055497
The financial budget process results in the a. budgeted balance sheet b. budgeted cash balance c. sales budget d. budgeted statement of income
a
Multiple Choice
Business
University
6
[ { "id": "1055497", "score": 1 }, { "id": "2053767", "score": 0.8349245694269574 }, { "id": "295064", "score": 0.6881835885835912 }, { "id": "1460199", "score": 0.4302168074646359 }, { "id": "518643", "score": 0.41407771936087856 } ]
1531468
The difference between the _ and the _ from the sale of a product is called producer surplus. a. Lowest price a firm would have been willing to accept; price it actually receives b. Cost to produce a product; price a firm actually receives c. Cost to produce a product; profit received d. Highest price a firm would ...
a
Multiple Choice
Economics
University
6
[ { "id": "724445", "score": 0.35398341990228 }, { "id": "951038", "score": 0.3299795237819808 }, { "id": "339609", "score": 0.328759984391935 }, { "id": "91359", "score": 0.31685305750276804 }, { "id": "1779725", "score": 0.31685305750276804 } ]
159810
Evaluate $\oint \frac{z^{*}}{z-1}$ on a circle of radius 5 centered at the origin of the complex plane, where $z^{*}$ is the complex conjugate of $z$ and the orientation is anticlockwise. The calculations so far are: assuming $z=5e^{i\theta} \implies dz = 5ie^{i\theta}d\theta,$ the integral transforms to $\int_{0}^{2\p...
0
Integer
Mathematics
University
6
[ { "id": "428818", "score": 0.599513875478992 }, { "id": "1199975", "score": 0.5882806976801079 }, { "id": "1878926", "score": 0.5770201748272505 }, { "id": "1279534", "score": 0.5639616253555163 }, { "id": "1177620", "score": 0.5455052955345376 } ]
812986
Currently, total government expenditures in the United States is approximately a. 37 percent of GDP. b. 50 percent of GDP. c. 75 percent of GDP. d. 80 percent of GDP.
a
Multiple Choice
Economics
University
6
[ { "id": "1072903", "score": 0.4175291126290831 }, { "id": "1512722", "score": 0.384530656163758 }, { "id": "797673", "score": 0.3826310911353278 }, { "id": "838653", "score": 0.37499496839718416 }, { "id": "2052715", "score": 0.3738552023806234 } ]
862768
Integrate f(x,y) = xy over the triangle with vertices at (0,0), (5,0) and (5,10)
312.5
Float
Mathematics
University
6
[ { "id": "1725812", "score": 0.5094407080348955 }, { "id": "706460", "score": 0.5094407080348955 }, { "id": "1663781", "score": 0.4477770955629591 }, { "id": "442648", "score": 0.4477770955629591 }, { "id": "1722291", "score": 0.3943088573087743 } ]
1663527
On August 1, a $55,200, 9%, 3-year installment note payable is issued by a company. The note requires equal payments of principal plus accrued interest to be paid each year on July 31. The present value of an annuity factor for 3 years at 9% is 2.5313. The payment each July 31 will be: A) $21,806.98 B) $19,200.00 C)...
A
Multiple Choice
Business
University
6
[ { "id": "1284495", "score": 0.29886204665116195 }, { "id": "1368073", "score": 0.2741008044682095 }, { "id": "740490", "score": 0.27065475445608705 }, { "id": "1723985", "score": 0.2608108054084496 }, { "id": "1596201", "score": 0.26080123714379244 } ]
23886
Find a value for the standard normal variable such that the probability of a larger value is equal to 0.025.
1.96
Float
Mathematics
University
6
[ { "id": "1138335", "score": 0.5000531232006302 }, { "id": "1751119", "score": 0.4507126251306004 }, { "id": "1022032", "score": 0.34933835810683656 }, { "id": "1437407", "score": 0.3360177513403776 }, { "id": "1868071", "score": 0.3360177513403776 } ]
58195
Why is the equation $X^TX a = X^Ty$ solved as $a = (X^T X)^{-1}X^Ty$ instead of simplifying it to $Xa = y$ and solving as $a = X^{-1}y$?
$a = (X^T X)^{-1}X^Ty$
Expression
Mathematics
University
6
[ { "id": "733392", "score": 0.296088334313248 }, { "id": "559354", "score": 0.28034625189325313 }, { "id": "39040", "score": 0.1630453260529871 }, { "id": "1803670", "score": 0.15974240432183734 }, { "id": "552629", "score": 0.13553721485186956 } ]
791325
How do we see that $[\frac{\partial }{\partial x},y]=0$, where $[]$ is the Lie bracket operation? Under the standard Lie bracket operation $[a,b]=ab-ba$, how would one expand $[\frac{\partial }{\partial x},y]$?
0
Integer
Mathematics
University
6
[ { "id": "1000330", "score": 0.6326340717251806 }, { "id": "912298", "score": 0.6286679650675264 }, { "id": "331417", "score": 0.6196817682098459 }, { "id": "534090", "score": 0.618725951703448 }, { "id": "1029303", "score": 0.5996865466209268 } ]
87625
What should be the sample size to construct a 90% confidence interval for the average healthy human body temperature, given a population standard deviation of 0.23°F and a desired margin of error of 0.04°F?
90
Integer
Mathematics
University
6
[ { "id": "189401", "score": 0.42747528896746 }, { "id": "1401778", "score": 0.42357899978832964 }, { "id": "641432", "score": 0.4027149868900407 }, { "id": "353533", "score": 0.3926741982522114 }, { "id": "421304", "score": 0.3902691812565996 } ]
1063194
Select the correct statement regarding tax wedges. A. Tax wedges are larger when commodity taxes are imposed on buyers. B. The size of the tax wedge is unrelated to elasticity. C. Tax wedges are larger when demand is more inelastic than supply. D. Tax wedges are smaller when commodity taxes are imposed on buyers. ...
C
Multiple Choice
Economics
University
6
[ { "id": "1581403", "score": 0.3924021199908477 }, { "id": "97623", "score": 0.2674731505456184 }, { "id": "936378", "score": 0.24106007444267782 }, { "id": "28479", "score": 0.22806678529551988 }, { "id": "1662980", "score": 0.2132204548057187 } ]