id string | problem string | answer string | answer_type string | category string | difficulty string | eval_score int64 | similar_problems list |
|---|---|---|---|---|---|---|---|
1757203 | Jamie's mother was concerned that her four-year-old daughter overregularized plurals and tenses. She took Jamie to Dr. Acton, a noted learning theorist, who advised her to
a. wait for Jamie's speech to correct itself.
b. take her to a speech therapist.
c. correct her grammar through imitation and repetition.
d. beg... | c | Multiple Choice | Psychology | University | 6 | [
{
"id": "138310",
"score": 0.11222136941302382
},
{
"id": "131167",
"score": 0.10966836115393126
},
{
"id": "1174860",
"score": 0.08771100473809879
},
{
"id": "1978638",
"score": 0.08391360414373293
},
{
"id": "82494",
"score": 0.07544180887082033
}
] |
1804217 | Using the time value of money tables, calculate the following:
The future value of $450 six years from now at 7 percent. | $675.33 | Float | Finance | University | 6 | [
{
"id": "1594026",
"score": 0.5361879357967924
},
{
"id": "1250476",
"score": 0.30778930616804956
},
{
"id": "158688",
"score": 0.30735482101328454
},
{
"id": "2017024",
"score": 0.3057776972536021
},
{
"id": "1222320",
"score": 0.2603696161843703
}
] |
302724 | A tank of gasoline (n=1.40) is open to the air (n=1.00). A thin film of liquid floats on the gasoline and has a refractive index that is between 1.00 and 1.40. Light that has a wavelength of 626nm (in vacuum) shines perpendicularly down through the air onto this film, and in this light the film looks bright due to cons... | 1.05 | Float | Physics | University | 6 | [
{
"id": "27006",
"score": 0.9377716046895499
},
{
"id": "902303",
"score": 0.4031620763820033
},
{
"id": "526411",
"score": 0.3850806602114596
},
{
"id": "1781294",
"score": 0.25691581349200193
},
{
"id": "1908588",
"score": 0.2212085927845502
}
] |
832773 | Regarding cost "pass-through" to consumers in a quantity competition industry, we know that:
A) Is unrelated to the number of firms.
B) It decreases as the number of firms is higher.
C) Is maximal under monopoly.
D) It Increases as the number of firms is higher. | B | Multiple Choice | Economics | University | 6 | [
{
"id": "2073015",
"score": 0.3725630605033252
},
{
"id": "1976433",
"score": 0.3382480724474655
},
{
"id": "112589",
"score": 0.3077139230306105
},
{
"id": "82436",
"score": 0.3063711016071379
},
{
"id": "1818026",
"score": 0.30028107477074023
}
] |
1681846 | The income statement for 2011 and the balance sheets for 2010 and 2011 for Nabors Inc. are as follows:
2011 Income Statement (in millions)
Net sales $9,610
Less: Cost of goods sold $6,310
Less: Depreciation $1,370
Earnings before interest and taxes $1,930
Less: Interest paid $630
Taxable Income $1,300
... | 1.46 | Float | Business | University | 6 | [
{
"id": "1742699",
"score": 0.41884894849086257
},
{
"id": "534687",
"score": 0.372602811564127
},
{
"id": "1992034",
"score": 0.3720017001536112
},
{
"id": "1646964",
"score": 0.3454787116497261
},
{
"id": "1325769",
"score": 0.32756009356140403
}
] |
1177620 | How do I find the Cramer-Rao lower bound for the estimator $\hat{\theta} = \dfrac{-n}{\sum_{i=1}^n \log(x_i)}$ of the parameter $\theta$ in the distribution $f(x\mid\theta)=\theta x^{\theta-1}, \;\;0<x<1,\,\,0<\theta<\infty$? | $\theta^2/n$ | Expression | Mathematics | University | 6 | [
{
"id": "1878926",
"score": 0.6867493792575845
},
{
"id": "428818",
"score": 0.6657590454408164
},
{
"id": "1199975",
"score": 0.6565396579962323
},
{
"id": "1279534",
"score": 0.639426454530183
},
{
"id": "1260268",
"score": 0.5965323797260951
}
] |
1228912 | If $n>3$ is an integer, prove that $$\sum_{k=0}^{n-1} (k-n)\cos(2kπ /n) = n/2$$ | n/2 | Integer | Mathematics | University | 6 | [
{
"id": "282269",
"score": 0.33030254014488036
},
{
"id": "1067775",
"score": 0.3004874130751393
},
{
"id": "1923310",
"score": 0.2753357386067785
},
{
"id": "1174227",
"score": 0.2740722940862765
},
{
"id": "1543623",
"score": 0.2666306303433028
}
] |
34874 | Is there a non-combinatorial proof of the following identity: $$ 2^n = \sum_{i = 0}^n (-1)^i \binom{n}{i} \binom{2n - 2i}{n - 2i}? $$ | 2^n | Integer | Mathematics | University | 6 | [
{
"id": "404599",
"score": 0.5906517028407454
},
{
"id": "123701",
"score": 0.5745743727982683
},
{
"id": "236455",
"score": 0.5667058399718325
},
{
"id": "1102659",
"score": 0.5301678900692646
},
{
"id": "80615",
"score": 0.5140222118808501
}
] |
1721992 | Where would be the best place to look to determine the amount of dividends declared?
A. Statement of Cash Flows.
B. Statement of Changes in Shareholder's Equity.
C. Notes to the financial statements.
D. Income Statement. | B | Multiple Choice | Business | University | 6 | [
{
"id": "602213",
"score": 0.48913621855691336
},
{
"id": "888856",
"score": 0.46112935240588904
},
{
"id": "1308999",
"score": 0.3897658979854384
},
{
"id": "828205",
"score": 0.3770322912400491
},
{
"id": "1368758",
"score": 0.37471078940096664
}
] |
574043 | Which of the following is not a criterion used in forming segments?
A. Potential for increased profit
B. Similarity of needs of potential buyers within a segment
C. Competitive position
D. Potential of marketing action to reach a segment
E. Simplicity and cost of assigning potential buyers to segments | C | Multiple Choice | Business | University | 6 | [
{
"id": "1483293",
"score": 0.338432017487609
},
{
"id": "1072903",
"score": 0.2636264564635373
},
{
"id": "480952",
"score": 0.24251743390424513
},
{
"id": "838653",
"score": 0.2249472488058918
},
{
"id": "845409",
"score": 0.19665073226924273
}
] |
788837 | Which of the following is false?
A. The Z score for the median of a left-skewed distribution is negative.
B. Z scores are defined for observations from distributions of any shape and skew.
C. The Z score for the median of a symmetric distribution is approximately 0.
D. Calculating percentiles based on the Z table is on... | A | Multiple Choice | Mathematics | University | 6 | [
{
"id": "250342",
"score": 0.3804111143204634
},
{
"id": "146788",
"score": 0.30973064910857423
},
{
"id": "2030156",
"score": 0.2648858613977079
},
{
"id": "603175",
"score": 0.24840273601438517
},
{
"id": "730517",
"score": 0.2406181703451392
}
] |
1186093 | Wilma's Vegetable Market had the following transactions during 2017:
1. Issued $25,000 of par value common stock for cash.
2. Recorded and paid wages expense of $10,000.
3. Acquired land by issuing common stock of a par value of $50,000.
4. Declared and paid a cash dividend of $1,000.
5. Sold a long-term investmen... | C | Multiple Choice | Business | University | 6 | [
{
"id": "1315231",
"score": 0.5994983352515917
},
{
"id": "909597",
"score": 0.5991020254155526
},
{
"id": "314437",
"score": 0.598598519602658
},
{
"id": "1963527",
"score": 0.5976650642797304
},
{
"id": "1013954",
"score": 0.5875823958649554
}
] |
229344 | Which one of the following is not a benefit of enzyme hydrolysis of penicillin/cephalosporins:
a) Elimination of alcohol solvents.
b) Reduced costs.
c) Neutral pH reactions and ambient temperatures.
d) Improved yields.
e) All variants can be hydrolyzed easily. | E | Multiple Choice | Chemistry | University | 6 | [
{
"id": "1949269",
"score": 0.1214703827262258
},
{
"id": "1264176",
"score": 0.12107530059646934
},
{
"id": "650117",
"score": 0.11335758920354898
},
{
"id": "370150",
"score": 0.10999208133955093
},
{
"id": "1239155",
"score": 0.10428866946187287
}
] |
903353 | Total profits are maximized where
A) TR equals TC
B) The TR curve and the TC curve are parallel
C) The TR curve and the TC curve are parallel and TC exceeds TR
D) The TR curve and the TC curve are parallel and TR exceeds TC | D | Multiple Choice | Economics | University | 6 | [
{
"id": "795023",
"score": 0.42058263532341017
},
{
"id": "1248315",
"score": 0.3029086322896073
},
{
"id": "1610035",
"score": 0.28191774119786217
},
{
"id": "944068",
"score": 0.2736950615836878
},
{
"id": "1331471",
"score": 0.24353417861221377
}
] |
728596 | A mole of water vapor initially at 420 K and 1 bar undergoes a cyclic process for which w = 145 J. What is q for this process? | -145J | Integer | Chemistry | University | 6 | [
{
"id": "424540",
"score": 0.28845893511354875
},
{
"id": "1540498",
"score": 0.25709556371877745
},
{
"id": "1558049",
"score": 0.2359615639791303
},
{
"id": "84174",
"score": 0.21941699532116596
},
{
"id": "1618434",
"score": 0.2146023978237392
}
] |
450726 | Estimate the exchange rate in the next two years, if the US inflation rate is 5%, and that of Canada is 4%. The current spot rate is $1.0585.
A. $1.0790
B. -$1.0790
C. $1.0384
D. $1.0384
E. none | A | Multiple Choice | Economics | University | 6 | [
{
"id": "2053104",
"score": 0.2720618232705577
},
{
"id": "1024699",
"score": 0.22743568617633853
},
{
"id": "197841",
"score": 0.21732613963374178
},
{
"id": "1371385",
"score": 0.20309922737715072
},
{
"id": "282126",
"score": 0.20309231026107452
}
] |
1366190 | A "good" final report in a field investigation should include all of the following EXCEPT:
a. A description of the intervention and its effects.
b. A review of the course of the epidemic in the form of a case study.
c. A comparison of the hypotheses with the established facts.
d. Tables, graphs, and charts.
e. A "good"... | e | Multiple Choice | Health | University | 6 | [
{
"id": "312860",
"score": 0.23869871084519256
},
{
"id": "1048027",
"score": 0.2340251954411711
},
{
"id": "1105188",
"score": 0.20542593155041167
},
{
"id": "1022142",
"score": 0.20251702946756384
},
{
"id": "1125629",
"score": 0.19159794078513198
}
] |
39203 | What is the beta of the following portfolio?
Stock Value Beta
J $21,600 1.48
K $13,000 1.13
L $46,000 0.99
M $19,800 1.08
Make necessary assumptions if required. | 1.13 | Float | Finance | University | 6 | [
{
"id": "1977942",
"score": 0.4330528740039325
},
{
"id": "1404106",
"score": 0.3902720283758387
},
{
"id": "548201",
"score": 0.38216876653070925
},
{
"id": "246670",
"score": 0.3721522015387063
},
{
"id": "613779",
"score": 0.3667485655570918
}
] |
355705 | The average score of all golfers for a particular course has a mean of 75 and a standard deviation of 4.5. Suppose 81 golfers played the course today. Find the probability that the average score of the 81 golfers exceeded 76. | 0.0228 | Float | Mathematics | University | 6 | [
{
"id": "586096",
"score": 0.2905449253433134
},
{
"id": "703170",
"score": 0.23282580217492685
},
{
"id": "1080700",
"score": 0.22773243693688067
},
{
"id": "650475",
"score": 0.22568181649870406
},
{
"id": "172229",
"score": 0.21428076837849452
}
] |
325365 | Find the limit:
{eq}\displaystyle \lim_{x \to 0^+} \left (\tan 2 x\right )^x
{/eq} | 1 | Integer | Mathematics | University | 6 | [
{
"id": "559987",
"score": 0.713842489145663
},
{
"id": "985268",
"score": 0.7125943707701401
},
{
"id": "1766799",
"score": 0.6803691105114911
},
{
"id": "1953838",
"score": 0.6773470267633047
},
{
"id": "423725",
"score": 0.6514031209607085
}
] |
961437 | Your company, Beta Corporation, is considering a new project which you must analyze. Based on the following data, what is the project's Year 1 operating cash flow?
Sales $22,000
Depreciation $8,000
Other operating costs $12,000
Tax rate 35% | 9300 | Integer | Finance | University | 6 | [
{
"id": "1874356",
"score": 0.5527766715132616
},
{
"id": "2010813",
"score": 0.48121143653967274
},
{
"id": "479199",
"score": 0.4715932776367181
},
{
"id": "818105",
"score": 0.4487024322272317
},
{
"id": "975351",
"score": 0.44409692233694986
}
] |
444014 | Use a triple integral in cartesian coordinates with the integration order dx, dy, dz and find the volume of the first octant cut off by the plane 2x+3y+z=6. | 6 | Integer | Mathematics | University | 6 | [
{
"id": "1006234",
"score": 1.0000000000000002
},
{
"id": "405826",
"score": 0.5003031298085817
},
{
"id": "251756",
"score": 0.43929953152327156
},
{
"id": "287166",
"score": 0.38004514045823157
},
{
"id": "1692058",
"score": 0.38004514045823157
}
] |
1624842 | Using CAPM:
A stock has an expected return of 10.5 percent, its beta is .73, and the risk-free rate is 5.5 percent. What must the expected return on the market be? | 12.35% | Percentage | Finance | University | 6 | [
{
"id": "409500",
"score": 0.871788070282725
},
{
"id": "868571",
"score": 0.7634435314592207
},
{
"id": "1286960",
"score": 0.7526052785391893
},
{
"id": "2078504",
"score": 0.7479663888987245
},
{
"id": "1717227",
"score": 0.7253378804350787
}
] |
1910226 | Use Green's Theorem to evaluate the line integral {eq}\displaystyle \int_{C} (2xy - 3) \, \mathrm{d}x + (x^2 + 4) \, \mathrm{d}y {/eq} where {eq}C {/eq} is the positively oriented, closed curve that consists of the arc of the curve {eq}y = x^2 {/eq} from the point {eq}(0, 0) {/eq} to {eq}(2, 4) {/eq}, followed by the l... | 0 | Integer | Mathematics | University | 6 | [
{
"id": "1687574",
"score": 0.869316945307111
},
{
"id": "788780",
"score": 0.8666092469657516
},
{
"id": "595433",
"score": 0.8666092469657516
},
{
"id": "84451",
"score": 0.8666092469657516
},
{
"id": "1684743",
"score": 0.8251561226410056
}
] |
561919 | Select the drug stimulating the protective function of the mucous barrier and the stability of the mucous membrane against damaging factors:
a) De-Nol
b) Sucralfate
c) Misoprostol
d) Omeprazole | c | Multiple Choice | Biology | University | 6 | [
{
"id": "1060119",
"score": 0.13543872747600164
},
{
"id": "1974151",
"score": 0.12893158565294446
},
{
"id": "1137282",
"score": 0.1161784293617533
},
{
"id": "1579329",
"score": 0.1107252798638521
},
{
"id": "1936354",
"score": 0.11062501703997701
}
] |
218932 | I would like to determine the radius of convergence of the power series of log z expanded at -4+3i. | 5 | Integer | Mathematics | University | 6 | [
{
"id": "546000",
"score": 0.5938275869620687
},
{
"id": "368370",
"score": 0.5444660188178401
},
{
"id": "1943649",
"score": 0.5355030461464023
},
{
"id": "263705",
"score": 0.5098931446614415
},
{
"id": "1471463",
"score": 0.4691135120240957
}
] |
210880 | Suppose a publicly-traded company is trying to maximize its perceived value to decision-makers external to the corporation. In that case, the company is most likely to understate which of the following on its balance sheet?
a. Assets.
b. Liabilities.
c. Retained Earnings.
d. Contributed Capital. | b | Multiple Choice | Business | University | 6 | [
{
"id": "995569",
"score": 0.21679742652990455
},
{
"id": "1633737",
"score": 0.21303433336033772
},
{
"id": "576308",
"score": 0.19937212605439647
},
{
"id": "1626775",
"score": 0.19724717037862277
},
{
"id": "2100981",
"score": 0.1953005633790002
}
] |
451228 | Collins Company adds direct materials at the start of production. July information for the company is as follows:
Beginning work in process inventory (40% complete as to conversion)
$10,000
Started during July
$120,000
Ending work in process inventory (60% complete as to conversion)
... | C | Multiple Choice | Business | University | 6 | [
{
"id": "1213335",
"score": 0.6021855466875924
},
{
"id": "2001230",
"score": 0.5914242022277925
},
{
"id": "742048",
"score": 0.580162981772427
},
{
"id": "739009",
"score": 0.5745990122495752
},
{
"id": "833018",
"score": 0.5718805449101434
}
] |
756062 | Using {eq}\alpha {/eq} = 0.01, the appropriate decision is:
a) reject the null hypothesis and shut down the punch
b) reject the null hypothesis and do not shut down the punch
c) do not reject the null hypothesis and shut down the punch
d) do not reject the null hypothesis and do not shut down the punch
e) do nothing | d | Multiple Choice | Mathematics | University | 6 | [
{
"id": "570411",
"score": 0.5052836136908768
},
{
"id": "1734986",
"score": 0.4505596159589929
},
{
"id": "543748",
"score": 0.4187715337248692
},
{
"id": "77994",
"score": 0.40787390095926146
},
{
"id": "1963305",
"score": 0.40598895268853896
}
] |
1341859 | Serial correlation:
a. measures the relationship between the current return on security with that of second security.
b. involves multiple securities within the same industry.
c. indicates a tendency for continuation when the correlation is positive.
d. indicates a tendency toward reversal when the correlation coef... | c | Multiple Choice | Business | University | 6 | [
{
"id": "1870960",
"score": 0.3720187443185858
},
{
"id": "642541",
"score": 0.3661932954953224
},
{
"id": "171267",
"score": 0.35220960108100635
},
{
"id": "829151",
"score": 0.2793416572208316
},
{
"id": "367440",
"score": 0.2698636121574475
}
] |
889311 | Suppose a trading desk gives you the following information:
$1 = L 2
L 1 = Eur 5
Eur 1 = $0.1
Can you exploit an arbitrage opportunity?
A. Yes
B. No
C. Not enough information | B | Multiple Choice | Finance | University | 6 | [
{
"id": "422064",
"score": 0.33435104306546326
},
{
"id": "879882",
"score": 0.2034396400134634
},
{
"id": "643816",
"score": 0.18630929343951486
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{
"id": "751307",
"score": 0.1852757109963247
},
{
"id": "33097",
"score": 0.18104084552405617
}
] |
661654 | Which of the following explains the downward slope of the aggregate demand curve?
a. disposable income remains unchanged when prices rise,
b. higher domestic prices encourage exports and discourage imports,
c. higher prices reduce the household's real wealth,
d. all of these | c | Multiple Choice | Economics | University | 6 | [
{
"id": "389307",
"score": 1.0000000000000002
},
{
"id": "661654",
"score": 1.0000000000000002
},
{
"id": "804276",
"score": 0.33093864861098304
},
{
"id": "1302550",
"score": 0.3024723573753554
},
{
"id": "595395",
"score": 0.27768229709237724
}
] |
310905 | Prove: $\int \int_{\partial \Omega} f\nabla g- g\nabla f dA$ = 0 When $f(x)=g(x)=0$ For any $x$ belonging to $\partial\Omega$ $f$ and $ g$ Are both functions from $R^3$ to $R$, and x is a vector. | 0 | Integer | Mathematics | University | 6 | [
{
"id": "1622803",
"score": 0.5171193292692299
},
{
"id": "1000330",
"score": 0.3818638577417515
},
{
"id": "331417",
"score": 0.38173839686267935
},
{
"id": "912298",
"score": 0.37946987857402026
},
{
"id": "1025531",
"score": 0.3786003041709676
}
] |
633521 | You choose left tail test that difference between two samples' means is bigger or equal than zero, with {eq}\alpha=0.05{/eq}. Given the data for new and old machinery packing times, what is the conclusion?
New machinery, time in minutes: 42.1, 41, 41.3, 41.8, 42.4, 42.8, 43.2, 42.3, 41.8, 42.7
Old machinery, time in m... | a | Multiple Choice | Mathematics | University | 6 | [
{
"id": "860211",
"score": 0.4425205261166871
},
{
"id": "1417236",
"score": 0.2578091308409737
},
{
"id": "265338",
"score": 0.2044891125282729
},
{
"id": "1371762",
"score": 0.2026874633046229
},
{
"id": "1491206",
"score": 0.1975614406473266
}
] |
688435 | Which of the following statements about the p-value approach are true? (Check all that apply. If none applies, do not check any.)
A. It yields different results than the rejection region method.
B. It yields the same conclusions as the rejection region method.
C. It takes full advantage of the information available ... | B, C | Multiple Choice | Mathematics | University | 6 | [
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673159 | Which of the following is not included as a primary part of the financial disclosure in Form 10-K?
A. Financial data for a 5-year period.
B. Management's opinion of the financial statements.
C. Business operations and strategy.
D. Four basic financial statements. | A | Multiple Choice | Business | University | 6 | [
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646132 | Use triple integral to find the volume of a solid in the 1st octant enclosed by z=y, y^2=x and x=1 and sketch the region. | 0.25 | Float | Mathematics | University | 6 | [
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582666 | Which of the following would cause a positive demand shock (shift to the right) in aggregate demand?
a. increased consumer confidence and spending.
b. availability of social capital increasing.
c. decreased availability of capital stock. | a | Multiple Choice | Economics | University | 6 | [
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590331 | Solve the differential equation {eq}\frac{dR}{dx} = a(R^2+1){/eq} Assume {eq}a{/eq} is a non-zero constant, and use {eq}C{/eq} for any constant of integration that you may have in your answer. | R = tan(ax+C) | Expression | Mathematics | University | 6 | [
{
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{
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{
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{
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] |
553202 | What is the probability that the average salary of four randomly selected electricians exceeds $60,000, given that electricians earn approximately μ = 54,000 dollars per year with a standard deviation of a = 12,000 dollars, and their yearly earnings are normally distributed? | 0.1587 | Float | Mathematics | University | 6 | [
{
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{
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{
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{
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{
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1871819 | Consider the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. What is the pH after 9.80 mL of NaOH has been added? | 12.66 | Float | Chemistry | University | 6 | [
{
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{
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61284 | Handlin Corp. sold equipment on Dec. 31, 2016, for $123,500. The equipment originally cost $216,775 and had accumulated depreciation of $82,940 at the end of 2015. Deprecation on the machine during 2016 was $20,735. The salvage value is estimated to be $9,425. What effect will selling the equipment have on Handalin's 2... | b | Multiple Choice | Business | University | 6 | [
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{
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{
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] |
1256933 | The forecasting method used to estimate the additional externally generated financing required to finance a firm's future growth.
A. Financial planning
B. Operating breakeven point
C. Lumpy assets
D. Spontaneously-generated funds
E. Additional funds needed
F. Operating leverage
G. Sales forecast
H. Projected ba... | E | Multiple Choice | Finance | University | 6 | [
{
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{
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] |
1713084 | How do you evaluate the integral #int e^(-absx)# from #-oo# to #oo#? | 2 | Integer | Mathematics | University | 6 | [
{
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421696 | Using Green's Theorem, find the outward Flux of F across the closed curve C. F = (x - y)i + (x + y)j; C is the triangle with vertices at (0,0), (7,0), and (0,4). | 28 | Integer | Mathematics | University | 6 | [
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{
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1833169 | Robin, the HR manager at Rightway Enterprises, believes that job withdrawal has become a significant problem at the firm. Robin most likely came to this conclusion after observing all of the following employee behaviours EXCEPT __________.
A) frequent vacation time requests
B) idle employee conversations
C) undeserv... | A | Multiple Choice | Business | University | 6 | [
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1811049 | The efficient frontier:
A. intersect once or twice with the indifference curve that refers to the best complete portfolio.
B. is always below (south-east of) the best CAL, or at most tangent to it.
C. is always tangent to the indifference curve that refers to the best complete portfolio.
D. All of the provided answ... | B | Multiple Choice | Finance | University | 6 | [
{
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] |
121811 | Stock A has a beta of 1.2, and stock B has a beta of 1. The returns of stock A are _____ sensitive to changes in the market than are the returns of stock B.
A. 20% more
B. slightly more
C. 20% less
D. slightly less | A | Multiple Choice | Finance | University | 6 | [
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146975 | How many zeros does $\sin(z)-100z^9$ have with $|z|<1$ using Roché's Theorem, given $g(z) = \sin(z)-100z^9$ and $f(z) = -100z^9$? Is it valid to conclude that $g(z)$ has $9$ zeros where $|z|<1$ because $|g(z)-f(z)| = |\sin(z)| < 100 = |f(z)|$ for $|z|=1$? | 9 | Integer | Mathematics | University | 6 | [
{
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{
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1677213 | Choose the internal control procedure to the error, misstatement or other problem that it is trying to detect or prevent.
Duties are segregated between the cash payments and cash receipts functions.
A. The separation of duties is meant to safeguard assets.
B. Prevention of unauthorized use.
C. Ensures payment for g... | F | Multiple Choice | Business | University | 6 | [
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1012030 | According to Keynesian theory, if equilibrium real GDP is below the full-employment level, then an increase in aggregate demand will result in which of the following changes in equilibrium?
a. Real GDP will rise, but the price level will remain constant.
b. Real GDP and the price level will both rise.
c. Real GDP wi... | a | Multiple Choice | Economics | University | 6 | [
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1756773 | What am I doing wrong in calculating the surface area of $$D : x^2 + y^2 + z^2 = 4 , \quad z \geq 1$$ using the parametrization $$x=2\sin{\theta}\cos{\phi}$$, $$y=2\sin{\theta}\sin{\phi}$$, $$z=2\cos{\theta}$$ where $$ 0 \leq \theta \leq \frac{\pi}{3}$$ and $$0\leq\phi\leq2\pi$$? I understand that the surface area is c... | 4\pi | Integer | Mathematics | University | 6 | [
{
"id": "1277860",
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{
"id": "1260268",
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{
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"score": 0.40637227923781843
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{
"id": "428818",
"score": 0.399864988706442
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] |
1837690 | What is wrong with my calculation of $\displaystyle\lim_{p\to \infty} \int_0^pdx\;\beta e^{-\beta x}$? I get $\beta$, but the textbook states that $\int_0^\infty dx\;\beta e^{-\beta x}=1$. | 1 | Integer | Mathematics | University | 6 | [
{
"id": "1784710",
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"id": "725234",
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1504667 | The amount of time the university professors devote to their jobs per week is normally distributed with a mean of 52 hours and a standard deviation of 6 hours. Find the probability that the mean amount of work per week for three randomly selected professors is more than 60 hours. | 0.0104 | Float | Mathematics | University | 6 | [
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"id": "1879932",
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1263695 | The firm's short-run supply curve runs up the marginal cost curve:
A. to the shutdown point
B. from the shutdown point all the way up the curve
C. to the break-even point
D. from the break-even point all the way up the curve | B | Multiple Choice | Economics | University | 6 | [
{
"id": "831445",
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"id": "1806211",
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] |
421399 | A normal distribution has a mean of {eq}\mu = 100{/eq} and {eq}\sigma = 20{/eq}. Find the probability P(X < 65) | 0.0401 | Float | Mathematics | University | 6 | [
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{
"id": "963740",
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81289 | With an output function where L is labor and K is capital: {eq}Y = K^{\frac{1}{4}}L^{\frac{1}{3}}
{/eq}, the current price of labor is $10 and capital cost is $1 per per machine (capital). The company currently uses 81 units of capital. The price of the output is $40.
How does the equation need to be set up in order ... | 8 | Integer | Economics | University | 6 | [
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] |
830553 | Use the table below to answer the following question:
Present Value of 1
Present Value of an Annuity of 1
Period
4.0%
8.0%
4.0%
8.0%
1
0.9623
0.9259
0.9623
0.9259
2
0.9259
0.8573
1.8883
1.7833
3
0.8... | c | Multiple Choice | Finance | University | 6 | [
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] |
917466 | A team of engineers has developed a compressor with 78% efficiency that requires 35 MW of power to pressurize air.
Calculate the power requirement for the same inlet conditions and exit pressure if the team is able to redesign the compressor to be isentropic. | 27.3 MW | Float | Physics | University | 6 | [
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] |
1242339 | We want to prove, for an $N\times N$ matrix $\Lambda$, $$\Lambda_{ji}=-\Lambda_{ij}\implies\sum_{i,j=1 ; i\neq j}^N \Lambda_{ij}=0$$ My approach: $$\sum_{i,j=1 ; i\neq j}^N \Lambda_{ij}=\sum_{i=1}^N\left[\sum_{j=1}^{i-1}\Lambda_{ij}+\sum_{j=i+1}^{N}\Lambda_{ij}\right]$$ $$=\sum_{i=1}^N\sum_{j=1}^{i-1}\Lambda_{ij}+\sum_... | 0 | Integer | Mathematics | University | 6 | [
{
"id": "1009319",
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{
"id": "1086055",
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{
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{
"id": "1397645",
"score": 0.3134200347703537
},
{
"id": "1014112",
"score": 0.29847653157209386
}
] |
1451342 | How can I derive the rule: from $α→β$, infer $(∃x)α→β$, provided that $x$ is not free in $β$, using the axioms and rules of inference in Herbert Enderton's A Mathematical Introduction to Logic (2nd - 2001)? | (∃x)α→β | Expression | Mathematics | University | 6 | [
{
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{
"id": "999846",
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] |
618207 | How does the algebraic number $\sqrt{6} + \sqrt{10} + \sqrt{15}$ have four conjugates, given that its minimal polynomial is $x^4-62 x^2-240 x-239$ and its factorization is as provided? | 4 | Integer | Mathematics | University | 6 | [
{
"id": "495177",
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{
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{
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] |
627999 | A young investment manager tells his client that the probability of making a positive return with his suggested portfolio is 81%. What is the risk (standard deviation) that this investment manager has assumed in his calculation if it is known that returns are normally distributed with a mean of 6.6%? Use Table 1. (Roun... | 7.5 | Float | Mathematics | University | 6 | [
{
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{
"id": "1097979",
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{
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{
"id": "387762",
"score": 0.2883612610306615
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{
"id": "1609829",
"score": 0.27306693435318113
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] |
1950005 | Jenna runs a small boutique in Capitola. She tells one of her suppliers that she is willing to pay $6 for a pair of wool hand warmers and not a dime more. On the basis of this information, what can you conclude about her price elasticity of demand for wool hand warmers?
a. It is elastic.
b. It is perfectly elastic.
... | b | Multiple Choice | Economics | University | 6 | [
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] |
381751 | The management of Londo Corporation is investigating buying a small used aircraft to use in making airborne inspections of its above-ground pipelines. The aircraft would have a useful life of 4 years. The company uses a discount rate of 20% in its capital budgeting. The net present value of the investment, excluding th... | C | Multiple Choice | Finance | University | 6 | [
{
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{
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{
"id": "2018985",
"score": 0.17268325946618682
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{
"id": "1965708",
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] |
888521 | An investor in Treasury securities expects inflation to be 2.0% in Year 1, 2.7% in Year 2, and 3.85% each year thereafter. Assume that the real risk-free rate is 2.25% and that this rate will remain constant. Three-year Treasury securities yield 6.40%, while 5-year Treasury securities yield 8.00%.
What is the differen... | 1.20% | Percentage | Business | University | 6 | [
{
"id": "1372405",
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{
"id": "391338",
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{
"id": "1078284",
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{
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"score": 0.45482187135910707
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{
"id": "222840",
"score": 0.4465415794747294
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] |
779903 | How does redesigning jobs help reduce stress?
A) It helps individuals with an internal locus of control adapt better to high-stress jobs.
B) It seeks to buy off the leaders of a resistance group by giving them a key role.
C) It gives individuals greater control over work activities and lessens dependence on others.
... | C | Multiple Choice | Psychology | University | 6 | [
{
"id": "793492",
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{
"id": "733986",
"score": 0.2219764224988497
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{
"id": "1067804",
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{
"id": "1510379",
"score": 0.14548183015213356
},
{
"id": "60489",
"score": 0.1449849656053135
}
] |
358751 | Carrejo Corporation has two divisions: Division M and Division N. Data from the most recent month appear below:
Total Company Division M Division N
Sales$404,000$181,000$223,000
Variable expenses152,13065,16086,970
Contribution margin251,870115,840136,030
Traceable fixed expenses192,00087,000105,000
Segment margin59... | a | Multiple Choice | Business | University | 6 | [
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"id": "1995589",
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},
{
"id": "237005",
"score": 0.3431350665732551
}
] |
81259 | The following are potential outcomes attained by Specialization and Trade (S&T) based on Comparative Advantage, except:
A) An economy that is Labor Abundant will tend to have C.A. in the type of production that is Labor Intensive.
B) S&T based on Comparative Advantage will lead to efficiency in production.
C) Large ... | C | Multiple Choice | Economics | University | 6 | [
{
"id": "21021",
"score": 0.5584513798877531
},
{
"id": "1358244",
"score": 0.27487731428572465
},
{
"id": "2069718",
"score": 0.22276786558756967
},
{
"id": "117907",
"score": 0.20383595282434763
},
{
"id": "758450",
"score": 0.199735303056545
}
] |
376639 | Let F(x,y,z)=2y cos(z) i +(e^x) sin(z)j +x(e^y) k. S is the hemisphere (x^2) + (y^2) +(z^2) =9, z is greater than or equal to 0, orientated upward. | 0 | Integer | Mathematics | University | 6 | [
{
"id": "1646493",
"score": 0.8455739080798332
},
{
"id": "308541",
"score": 0.26707081322736614
},
{
"id": "1619492",
"score": 0.2593541503524341
},
{
"id": "146189",
"score": 0.2579496336283573
},
{
"id": "2063805",
"score": 0.2537486553167354
}
] |
144071 | A company has total capital equal to $125 million. 40% of its capital is borrowed and the rest is common equity. The required return on equity is 25% and on debt is 7%. Calculate the company's cost of capital, WACC, if the tax rate is 30%. | 16.96% | Percentage | Business | University | 6 | [
{
"id": "701209",
"score": 0.4978212326539928
},
{
"id": "706750",
"score": 0.44036184887712837
},
{
"id": "261642",
"score": 0.4323095200143174
},
{
"id": "1483462",
"score": 0.43044690453048273
},
{
"id": "667461",
"score": 0.4241698617574953
}
] |
1356564 | Which of the following soundings are most likely to indicate severe heat during the summertime?
a) Conditional instability at a pressure less than 850 hPa
b) Low dewpoint depression in the near-surface layer
c) A near-surface inversion with high dewpoint depression above and no conditional instability
d) A strong j... | c | Multiple Choice | Physics | University | 6 | [
{
"id": "1062790",
"score": 0.14611001300848683
},
{
"id": "1596766",
"score": 0.14091562170651722
},
{
"id": "2017316",
"score": 0.132824466853625
},
{
"id": "1496773",
"score": 0.12375697073335803
},
{
"id": "345175",
"score": 0.10725308256059826
}
] |
1807198 | Find the volume of the solid generated by revolving about the x-axis, the region bounded by curves y=x^2 and y=2-x^2. | 16\frac{pi}{3} | Expression | Mathematics | University | 6 | [
{
"id": "635813",
"score": 0.7755503386960367
},
{
"id": "418776",
"score": 0.7332139738989962
},
{
"id": "1394051",
"score": 0.7112821313736267
},
{
"id": "516166",
"score": 0.7069618487576413
},
{
"id": "372175",
"score": 0.6685607707325241
}
] |
295919 | If a firm experience decreases in the per-unit costs of production as its network increases, then this firm is experiencing:
a. economies of scope.
b. economies of scale.
c. network externalities.
d. differentiation. | b | Multiple Choice | Economics | University | 6 | [
{
"id": "1229837",
"score": 0.4120659409309575
},
{
"id": "1941697",
"score": 0.33615591800454053
},
{
"id": "1464787",
"score": 0.3072616722588091
},
{
"id": "1437385",
"score": 0.27995065941921915
},
{
"id": "956632",
"score": 0.24539129785975777
}
] |
1640838 | When a plant asset is retired from productive service, (without any sale) that initially cost $100,000 and had accumulated depreciation of $80,000. What would be the correct accounting treatment/entry?
A. Nothing, the company still has it
B. Loss on plant asset $20000 Plant asset $20000
C. Loss $20000 Accumulated de... | C | Multiple Choice | Business | University | 6 | [
{
"id": "528448",
"score": 0.3863251119770417
},
{
"id": "932781",
"score": 0.36040146215837054
},
{
"id": "273358",
"score": 0.3325446413142514
},
{
"id": "685773",
"score": 0.3004395080587472
},
{
"id": "1995231",
"score": 0.30033796477208735
}
] |
691614 | Use the $\epsilon$-$N$ definition of a limit to give a formal proof of: $$\lim_{n\to \infty}(\sqrt{1+n}-\sqrt{n})\sqrt{n+\frac12}=\frac12.$$ | 1/2 | Float | Mathematics | University | 6 | [
{
"id": "453365",
"score": 0.45784024176226795
},
{
"id": "1805106",
"score": 0.4521697195381019
},
{
"id": "1106412",
"score": 0.451934659243757
},
{
"id": "1588802",
"score": 0.4459967810152095
},
{
"id": "37240",
"score": 0.43729736860147633
}
] |
1308669 | In markets characterized by oligopoly:
A. the oligopolists are best off cooperating and behaving like a monopolist.
B. collusive agreements will always prevail.
C. collective profits are always lower with cartel arrangements than they are without cartel arrangements.
D. pursuit of self-interest by profit-maximizing... | A | Multiple Choice | Economics | University | 6 | [
{
"id": "354982",
"score": 0.3206754733810192
},
{
"id": "1753080",
"score": 0.19464231387807268
},
{
"id": "1379008",
"score": 0.18306262500386494
},
{
"id": "1333130",
"score": 0.18243143793520064
},
{
"id": "796432",
"score": 0.17052446935867788
}
] |
1138335 | Find the probability that a standard normal random variable is less than 2.8. | 0.9974 | Float | Mathematics | University | 6 | [
{
"id": "1813318",
"score": 0.671439732554463
},
{
"id": "340208",
"score": 0.6255736062576777
},
{
"id": "1868071",
"score": 0.5499751767135757
},
{
"id": "1437407",
"score": 0.5499751767135757
},
{
"id": "2046062",
"score": 0.5499751767135757
}
] |
573065 | David Ortiz Motors has a target capital structure of 30% debt and 70% equity. The yield to maturity on the company's outstanding bonds is 8%, and the company's tax rate is 40%. Ortiz's CFO has calculated the company's WACC as 11.84%. What is the company's cost of equity capital? | 14.86% | Percentage | Business | University | 6 | [
{
"id": "144071",
"score": 0.4022122682604298
},
{
"id": "468625",
"score": 0.37966262640110293
},
{
"id": "1354351",
"score": 0.35388477685553077
},
{
"id": "1417627",
"score": 0.3418099489929326
},
{
"id": "706750",
"score": 0.33987616864052894
}
] |
1107819 | Which of the following is not a necessary condition for a short-run competitive equilibrium?
a. Quantity demanded equals quantity supplied.
b. Price equals marginal costs.
c. Profit must be greater than zero.
d. Price must equal exceed average variable costs. | c | Multiple Choice | Economics | University | 6 | [
{
"id": "1964572",
"score": 0.3715979756048636
},
{
"id": "1706064",
"score": 0.3715979756048636
},
{
"id": "1367274",
"score": 0.3644777687289752
},
{
"id": "1540289",
"score": 0.34634964686928726
},
{
"id": "1352301",
"score": 0.3424552708491425
}
] |
1809329 | Evaluate the integral {eq}\displaystyle\iint_{R} 2x^2 \, \mathrm{d}A {/eq}, where {eq}R {/eq} is the region bounded by the ellipse {eq}9x^2 + 4y^2 = 36{/eq}, using the transformation {eq}x = 2u, \; y = 3v{/eq}. | 12 pi | Expression | Mathematics | University | 6 | [
{
"id": "635354",
"score": 0.6790381071332086
},
{
"id": "1845267",
"score": 0.6764427594647574
},
{
"id": "283780",
"score": 0.6693864397781721
},
{
"id": "55830",
"score": 0.6600957046087506
},
{
"id": "2020589",
"score": 0.6569992851672338
}
] |
1609942 | FatGear Corporation has recently finished building a new factory. They moved into the factory a month ago and found that it is the perfect size given the amount they want to produce. FatGear is operating in the
A) production time
B) corporation time
C) long run
D) short run
E) profitable margin | C | Multiple Choice | Economics | University | 6 | [
{
"id": "1960573",
"score": 0.29319988060415936
},
{
"id": "296132",
"score": 0.28128187901590707
},
{
"id": "1724185",
"score": 0.2728941054725569
},
{
"id": "784146",
"score": 0.26650369215576464
},
{
"id": "1982907",
"score": 0.26308405465094703
}
] |
1677603 | Balance sheet liabilities should be recorded at their _____.
a. original outstanding balance
b. year-end outstanding balance
c. average outstanding balance
d. current outstanding balance
e. none of these | d | Multiple Choice | Business | University | 6 | [
{
"id": "1264166",
"score": 0.34152610081021295
},
{
"id": "232081",
"score": 0.30545856610500743
},
{
"id": "106939",
"score": 0.3045231411766703
},
{
"id": "834398",
"score": 0.3044268045619756
},
{
"id": "576308",
"score": 0.300879453429025
}
] |
124555 | Let $P$ be a group of order $p$, on $S_p$. How can I prove that the cardinality of the normalizer of $P$ is $p(p-1)$? Given that the number of conjugates of the group $P$ is $ \frac{{n!}} {{p\left( {p - 1} \right)}} $, and that this equals the index of the normalizer, how do I compute that the number of conjugates of P... | p(p-1) | Integer | Mathematics | University | 6 | [
{
"id": "36372",
"score": 0.3308222780221917
},
{
"id": "463641",
"score": 0.29725303104312284
},
{
"id": "1235423",
"score": 0.2947840663969741
},
{
"id": "1126678",
"score": 0.2943590212196112
},
{
"id": "999252",
"score": 0.29287027469992366
}
] |
1800526 | Capital Budgeting Choices:
Business Location
Capital Investment Cost in $
Cumulative Investment Costs
Net Present Value
1
25,000
25,000
27,500
2
28,500
53,500
35,000
3
32,500
86,000
35,000
4
... | A | Multiple Choice | Business | University | 6 | [
{
"id": "741783",
"score": 0.9503375946763792
},
{
"id": "1400324",
"score": 0.5132865347191901
},
{
"id": "1009808",
"score": 0.4621078095081936
},
{
"id": "450555",
"score": 0.4352771835162619
},
{
"id": "1674246",
"score": 0.4336152456464013
}
] |
1422603 | A firm has a cost function given by c(y)=10y{eq}^2
{/eq}+1000. at what output is average cost minimized? | 10 | Integer | Economics | University | 6 | [
{
"id": "1606805",
"score": 0.45413080642158743
},
{
"id": "86446",
"score": 0.3634574301861338
},
{
"id": "1433870",
"score": 0.36243386593390836
},
{
"id": "1938038",
"score": 0.35883206427950065
},
{
"id": "80418",
"score": 0.35184872232187153
}
] |
1281918 | The following is your company's capital structure & other financial information:
Long-term debt: $400,000 @ 15% interest rate (before tax)
Equity: $600,000
Tax Rate: 40%
Beta of the Co.: 1.5
The current yield rate of the 10-year Treasury Bond is 5%
Normal Risk Premium is 10%
What is the minimum growth rate this ... | 15.6% | Percentage | Finance | University | 6 | [
{
"id": "1953696",
"score": 0.37558038655863957
},
{
"id": "1723809",
"score": 0.36283389561123075
},
{
"id": "995558",
"score": 0.33288860366785955
},
{
"id": "1546479",
"score": 0.3210088363776027
},
{
"id": "292543",
"score": 0.3170787122708498
}
] |
817112 | In its 2013 financial statements, Behrend Corp. (a US firm) reports depreciation expense in its income statement of $10,000,000 and reports Property Plant and Equipment (PP&E) in its balance sheet at its book value of $120,000,000.
What information does this convey?
A. The value of Behrend's depreciable assets declin... | C | Multiple Choice | Business | University | 6 | [
{
"id": "1315231",
"score": 0.38532550911973157
},
{
"id": "2097696",
"score": 0.3739530513327956
},
{
"id": "450555",
"score": 0.37039469092014027
},
{
"id": "1400324",
"score": 0.35872077853972645
},
{
"id": "681900",
"score": 0.35439538241635016
}
] |
1919286 | Business cycles can be readily identified from
a. unemployment-rate data.
b. real GDP data.
c. salary or wage data.
d. unemployment-rate data and real GDP data.
e. unemployment-rate data and salary or wage data. | d | Multiple Choice | Economics | University | 6 | [
{
"id": "1386260",
"score": 0.4390521984080412
},
{
"id": "910170",
"score": 0.3475513286864067
},
{
"id": "908091",
"score": 0.3475513286864067
},
{
"id": "1713863",
"score": 0.3426992680575344
},
{
"id": "655905",
"score": 0.3393115155626169
}
] |
902165 | Let $X$ and $Y$ be independent standard Gaussians. What is $E[X|XY]$? | 0 | Integer | Mathematics | University | 6 | [
{
"id": "7862",
"score": 0.34589530689490394
},
{
"id": "540806",
"score": 0.3374929205032612
},
{
"id": "160796",
"score": 0.31016947023305097
},
{
"id": "1813318",
"score": 0.30207773451551967
},
{
"id": "1419355",
"score": 0.29468116354014967
}
] |
195665 | According to the IFE, if British interest rates exceed U.S. interest rates:
a. the British pound's value will remain constant.
b. the British pound will depreciate against the dollar.
c. the British inflation rate will decrease.
d. the forward rate of the British pound will contain a premium.
e. today's forward ra... | b | Multiple Choice | Economics | University | 6 | [
{
"id": "54100",
"score": 0.5771534341057265
},
{
"id": "1039816",
"score": 0.5645912090538313
},
{
"id": "1611061",
"score": 0.5481154371274187
},
{
"id": "1186222",
"score": 0.5144665196668561
},
{
"id": "1901965",
"score": 0.5139985706777144
}
] |
665158 | Empowerment refers to:
a. the value of outcomes to the individual
b. satisfaction with work conditions
c. the delegation of authority to subordinates in the organization
d. incorporation of high-level motivators | c | Multiple Choice | Business | University | 6 | [
{
"id": "1863134",
"score": 0.24820798455713544
},
{
"id": "1158350",
"score": 0.15058749265703528
},
{
"id": "925397",
"score": 0.15058749265703528
},
{
"id": "1321326",
"score": 0.1422954457496329
},
{
"id": "779897",
"score": 0.1422954457496329
}
] |
1283290 | Lansing Company's 2015 income statement and selected balance sheet data (for current assets and current liabilities) at December 31, 2014 and 2015, follow. Calculate the cash payments for utilities using direct method for the year ended December 31, 2015.
LANSING COMPANY Income Statement For Year Ended December 31, ... | $1,497 | Integer | Business | University | 6 | [
{
"id": "1335886",
"score": 0.9937454894067289
},
{
"id": "1355599",
"score": 0.9931483189270229
},
{
"id": "1551652",
"score": 0.450992492315248
},
{
"id": "216481",
"score": 0.43874749600111945
},
{
"id": "607940",
"score": 0.4349402492572465
}
] |
1882138 | When, at the end of an accounting period, cash has been paid with respect to an expense incurred but not yet recognized in the financial statements, the business should then record:
A. An accrued expense, an asset.
B. A prepaid expense, an asset.
C. An accrued expense, a liability. | B | Multiple Choice | Business | University | 6 | [
{
"id": "517453",
"score": 0.4222526816102157
},
{
"id": "480079",
"score": 0.4202337611830495
},
{
"id": "305535",
"score": 0.37233740264339826
},
{
"id": "229196",
"score": 0.3342814798866642
},
{
"id": "1063098",
"score": 0.31820692293157454
}
] |
1066235 | What factor(s) can cause private returns from production to be smaller than social returns of production?
A. Knowledge spillovers, where firms learn from each other.
B. Capital market imperfections, where firms with new and sound ideas are unable to attract financing.
C. The inability to coordinate activities betwee... | E | Multiple Choice | Economics | University | 6 | [
{
"id": "82436",
"score": 0.25159711873289237
},
{
"id": "1976433",
"score": 0.24301602458760851
},
{
"id": "1433964",
"score": 0.23902660949214544
},
{
"id": "112589",
"score": 0.2247111550337776
},
{
"id": "614433",
"score": 0.2239360262398394
}
] |
810883 | Which view of perception suggests that stimuli may be richly informative and perceptual processes may be very complex?
a. Intelligent topographical.
b. Synthesis of bottom-up and top-down.
c. Top-down.
d. Bottom-up. | b | Multiple Choice | Psychology | University | 6 | [
{
"id": "1259079",
"score": 0.14273025807261894
},
{
"id": "1622135",
"score": 0.12375537733663623
},
{
"id": "1137959",
"score": 0.12287991305182071
},
{
"id": "388833",
"score": 0.11595106699259845
},
{
"id": "2050557",
"score": 0.11335929776447852
}
] |
2104476 | Which of the following laws first required SEC registrants to maintain a system of internal control that provides reasonable assurance that the organization's objectives are met?
a. Securities and Exchange Act of 1933
b. Foreign Corrupt Practices Act of 1977
c. Private Litigation Securities Reform Act of 1995
d. Sa... | d | Multiple Choice | Business | University | 6 | [
{
"id": "449550",
"score": 0.3739691002695938
},
{
"id": "1673012",
"score": 0.336955126152484
},
{
"id": "254288",
"score": 0.2936491206003121
},
{
"id": "311430",
"score": 0.18885218169917034
},
{
"id": "440907",
"score": 0.17556460792281148
}
] |
1640549 | Based on this sample, the company should:
A. Reject the null hypothesis and conclude there is evidence that the average tread life is greater than 38,000 miles.
B. Fail to reject the null hypothesis and conclude there is no evidence that the average tread life is greater than 38,000 miles.
C. Reject the null hypothesis... | A | Multiple Choice | Mathematics | University | 6 | [
{
"id": "543748",
"score": 0.4836876863487748
},
{
"id": "878876",
"score": 0.4648391341364196
},
{
"id": "532023",
"score": 0.4425151065749201
},
{
"id": "570411",
"score": 0.4107526223591762
},
{
"id": "94848",
"score": 0.40656232240106893
}
] |
1039758 | Under variable costing:
a. net operating income will tend to move up and down in response to changes in levels of production.
b. inventory costs will be lower than under absorption costing.
c. net operating income will tend to vary inversely with production changes.
d. net operating income will always be higher tha... | b | Multiple Choice | Business | University | 6 | [
{
"id": "1853807",
"score": 0.6534802817222222
},
{
"id": "469620",
"score": 0.5608036308383204
},
{
"id": "280220",
"score": 0.5503956571526402
},
{
"id": "1176143",
"score": 0.4896909025569817
},
{
"id": "1379701",
"score": 0.48642892098237445
}
] |
1834137 | You need to compute a 90% confidence interval for the population mean. How large a sample should you draw to ensure that the sample mean does not deviate from the population mean by more than .8? (Use 5.5 as an estimate of the population standard deviation from prior studies.) | 128 | Integer | Mathematics | University | 6 | [
{
"id": "353533",
"score": 0.596936558873415
},
{
"id": "641432",
"score": 0.5898412182297609
},
{
"id": "136955",
"score": 0.5346262468293883
},
{
"id": "1797179",
"score": 0.5262490401079412
},
{
"id": "950907",
"score": 0.5193689236157145
}
] |
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