id string | problem string | answer string | answer_type string | category string | difficulty string | eval_score int64 | similar_problems list |
|---|---|---|---|---|---|---|---|
null | The stock of Nogro Corporation is currently selling for $24 per share. Earnings per share in the coming year are expected to be $3.50. The company has a policy of paying out 60% of its earnings each year in dividends. The rest is retained and invested in projects that earn a 18% rate of return per year. This situation ... | None | null | null | null | null | null |
null | I am looking for the generating function of $X^n/n$. Is there any known formula for the following $$G(x) = \sum_{n=0}^{\infty} \frac{X^n}{n}z^n$$ where $X$ is a random variable (with known generating function) and $z$ is a constant. The final goal is to find the expected value of $G(x)$. | None | null | null | null | null | null |
null | Which of the following statements is true about the utility concept?
A. The utility concept does not reflect the law of diminishing marginal utility.
B. The utility concept is applicable only if marginal utility is positive and declining.
C. The utility concept is applicable only if marginal utility is positive.
D.... | None | null | null | null | null | null |
null | Stock Y has a beta of 1.4 and an expected return of 16.25 percent. Stock Z has a beta of 0.65 and an expected return of 8 percent. What would the risk-free rate have to be for the two stocks to be correctly priced relative to each other? | None | null | null | null | null | null |
null | What is the p-value for the test of whether there is evidence that the market share for the Mozilla Firefox web browser at Harvard is greater than the worldwide market share of 20.3%, given a sample of 400 students at Harvard where 100 use the Mozilla Firefox web browser, and the worldwide market share is 20.3%? | None | null | null | null | null | null |
null | A 30-year-old patient received a 72% burn from a thermal source. She has decreased urine output, and the urine is dark amber in color. Her blood pressure is 90/60 and her hematocrit is 50%. It would be reasonable to suggest that she has:
a. decreased blood flow to the kidneys
b. fluid overload
c. end-stage renal dis... | None | null | null | null | null | null |
null | Write a program that reads a series of pairs of values {eq}\displaystyle (\alpha ,p)
{/eq} from the user and uses bisection search to determine {eq}\displaystyle V
{/eq} where {eq}\displaystyle V=2(p-\alpha )
{/eq}, given the equation {eq}\displaystyle e^{(\frac{V}{2})}=\frac{p}{\alpha}
{/eq}, for a maximum of {eq}... | None | null | null | null | null | null |
null | Buy-Rite Pharmacy has purchased a small auto for delivering prescriptions. The auto was purchased for $47,000 and will have a 6-year useful life and a $5,800 salvage value. Delivering prescriptions (which the pharmacy has never done before) should increase gross revenues by at least $71,200 per year. The cost of these ... | None | null | null | null | null | null |
null | On March 1, 20XX, a three-month, 18%, interest-free note for $25,000 was issued by JB Corporation, a manufacturer of high-end electronic products. The note is dated February 1, 20XX.
On March 1, 20XX, the journal entry made by JB Corporation to recognize the payment of interest and receipt of proceeds for the note wou... | None | null | null | null | null | null |
null | An antique 1936 penny has a market value of $5,500. However, the U.S. Mint and U.S. Treasury never produced such a coin. If Jim takes the coin to court hoping to recover the market value of the coin, what is the most he can collect?
A) {eq}\$0
{/eq}
B) {eq}\$1,000
{/eq}
C) {eq}\$5,500
{/eq}
D) some amount betwee... | None | null | null | null | null | null |
null | XYZ Company reports the following information for 2015:
Net Income = $150,000
Dividends = $60,000
Dividends per Share = $1.20
Common Stock = $250,000
Common Stock - Par Value = $10
Common Stock - Paid-In Capital in Excess of Par Value = $100,000
Common Stock - Retained Earnings = $240,000
Total Stockholder's Eq... | None | null | null | null | null | null |
null | Jocelyn is in a monopoly.
Jocelyn's demand is {eq}P=50-Q
{/eq}. She has fixed costs of 10 and has the following marginal costs: {eq}MC(Q)=3Q
{/eq}.
What is Jocelyn's Lerner Index?
a. {eq}0.50
{/eq}
b. {eq}0.33
{/eq}
c. {eq}0.67
{/eq}
d. {eq}1.00
{/eq} | None | null | null | null | null | null |
null | Assets 2015 2014
Current assets:
Cash $3,550 $4,591
Accounts receivable 1,432 2,712
Inventory 1,292 3,775
Prepaid expenses 15,050 9,568
Total current assets $37,373 $25,394
Long-term investments 23,750 24,289
Property, plant, and equipment 186,610 188,572
Less: Accumulated depreciation 44,544 36,938
Net property, plant... | None | null | null | null | null | null |
null | When a firm does not reinvest its earnings, its stock price:
A. will increase.
B. will decrease.
C. will remain the same.
D. may increase, decrease, or remain unchanged. | None | null | null | null | null | null |
null | Consider a series RLC circuit where R= 549 {eq}\Omega
{/eq} and C=4.25 {eq}\mu
{/eq}F. However, the inductance L of the inductor is unknown. To find its value, you decide to perform some simple measurements. You apply an ac voltage that peaks at 36.0 V and observe using an oscilloscope, that the resonance angular fre... | None | null | null | null | null | null |
null | A very simple refrigerator has two identical cylindrical evacuated chambers placed close to each other. The outside cylinder has a surface area of $2.20 m^{2}$ and the inside cylinder has a surface area of $1.15 m^{2}$. The space between the cylinders is filled with an insulating material. The temperature in the outsid... | None | null | null | null | null | null |
null | Find the area of the surface that is part of the sphere {eq}x^2 + y^2 + z^2 = 4z{/eq} that lies inside the paraboloid {eq}z = x^2 + y^2.{/eq} | None | null | null | null | null | null |
null | With regard to the relationship between the C + I + G + X curve and the aggregate demand curve, changes in the price level cause:
A. a movement along both the aggregate demand and C + I + G + X curves.
B. a shift of both the aggregate demand and C + I + G + X curves.
C. the aggregate demand curve to shift while it c... | None | null | null | null | null | null |
null | Consider the following situation.
A university adds an addition and needs new equipment. The cost driver for the equipment is student-days per month. The new addition increases the student-days per month outside the relevant range. What type of equipment costs will change as a result of the addition?
a. Committed fix... | None | null | null | null | null | null |
null | M.D. Plastics, Inc. has cash of $35,000; accounts receivable of $210,000; inventories of $145,000; and net fixed assets of $125,000. The company has current liabilities of $110,000 and long-term debt of $450,000.
The cost of equity is 14%, and the pretax cost of debt is 6%. M.D. Plastics has 25,000 shares of common st... | None | null | null | null | null | null |
null | In 1975, the Japanese yen was trading for $0.0036 per yen, and the U.S. dollar was trading for 384 yen per dollar. In 2011, the Japanese yen was trading for $0.0079 per yen, and the U.S. dollar was trading for 80 yen per dollar. What was the yen's percent change against the dollar between 1975 and 2011? | None | null | null | null | null | null |
null | A software company is considering purchasing a new production machine to save money on its production line. The machine costs $535,000 today but will only last for three years. The machine will be worthless after its three-year life. The new production machine will increase cash flow by $450,000 in year 1, $410,000 in ... | None | null | null | null | null | null |
null | A certain substance has a dielectric constant of 4.0 and a dielectric strength of 15 MV/m. If it is used as the dielectric material in a parallel-plate capacitor, what minimum area should the plates of the capacitor have to obtain a capacitance of {eq}9.1 \times 10^{-2} \mu F
{/eq} and to ensure that the capacitor wil... | None | null | null | null | null | null |
null | The effective annual rate of 8% on a one-year loan is the same as a 7% per year rate on a loan that matures in:
a. 12 months.
b. less than a year.
c. more than a year.
d. the exact effective annual rate of 8% does not exist. | None | null | null | null | null | null |
null | A piece of new equipment costs $36,000 with a salvage value of $6,000 after 8 years. What is the depreciation expense in year 2 using MACRS?
Depreciation expense $_____?
Note: Show your calculation. | None | null | null | null | null | null |
null | How would an increase in the salvage value of a plant asset affect the accounting rate of return and the payback period?
a. ARR - increase; PP - increase
b. ARR - increase; PP - no effect
c. ARR - no effect; PP - decrease
d. ARR - decrease; PP - increase | None | null | null | null | null | null |
null | Use Sarrus Rule to evaluate $$\det\left( \begin{array}{ccc} a&b&c\\ d&e&f \\ g&h&i \end{array} \right)$$. | None | null | null | null | null | null |
null | Suppose the production of cotton causes substantial environmental damage because the pesticides used by cotton farmers often make their way into nearby rivers and streams and are very harmful to fish and other wildlife. If cotton farmers do not have to pay for the environmental damage caused by the pesticides used to g... | None | null | null | null | null | null |
null | An existing wastewater treatment plant discharges into a surface water. The flow rate of wastewater is 0.20 m3/s and the flow rate of surface water is 2.0 m3/s. The amount of dissolved oxygen at the mixing zone is 8.0 mg/L. The width of the river at the mixing point is 30 m, and the thickness is 2.0 m. The deoxygenatio... | None | null | null | null | null | null |
null | Calculate the flux of {eq}F = 2zi - y^{3}j + 4yk{/eq} out of the closed box {eq}S{/eq} defined by {eq}0 \leq x \leq 2, 0 \leq y \leq 3, 0 \leq z \leq 1{/eq}. | None | null | null | null | null | null |
null | Compute the cash paid for inventory for the year using the following information.
Beginning merchandise inventory$670,000
Ending merchandise inventory$590,000
Purchases$3,020,000
Freight-in$460,000
Purchase returns and allowances$120,000
Purchase discounts$150,000
Cash paid for inventory $_____. | None | null | null | null | null | null |
null | Which of the following statements is true?
a. This is a test regarding two dependent samples. There is sufficient evidence to conclude that the mean price of textbooks is lower at seller A.
b. This is a test regarding two dependent samples. There is insufficient evidence to conclude that the mean price of textbooks i... | None | null | null | null | null | null |
null | Evaluate the surface integral {eq}\iint_S xydS {/eq}, where S is the portion of the plane z= 6-x-y in the first octant bounded by the triangle with vertices (0,0,0), (6,0,0), and (0,6,0). | None | null | null | null | null | null |
null | A company's income statement shows an EBIT of $300,000, a corporate tax rate of 30%, and a depreciation expense of $40,000. The company's net cash flow is:
A. $210,000
B. $20,000
C. $320,000
D. None of the above | None | null | null | null | null | null |
null | Gimli Co. just paid a $4.50 dividend and has declared an annual dividend of $3.75 to be paid one year from today. The dividend is expected to grow at a 5% annual rate. The return on equity for similar stocks is 10%. What is P0 for this firm? | None | null | null | null | null | null |
null | Let {eq}f{/eq} be the function defined by {eq}f(x)= \int_{x^2}^{x^3} 3t^2 dt{/eq}. Find {eq}f'(x){/eq}. | None | null | null | null | null | null |
null | Kathy Company uses a periodic inventory system and has the following data available from its inventory records for the month of May:
Date
Description
Units
Unit Cost
May 1
Beginning inventory
200
$34.00
5
Purchase
400
$36.00
9
... | None | null | null | null | null | null |
null | Use the shell method to find the volume of the solid generated by revolving the region bounded by x = 2y^2, x = 2 around the x-axis. Sketch the region, the solid, and a typical shell. | None | null | null | null | null | null |
null | A clerk would steal one customer's payment and apply the next one toward that payment. This is a violation of:
a. Segregation of duties
b. Management oversight
c. Checks and balances
d. All of the above | None | null | null | null | null | null |
null | A first-order reaction, A → products, has a rate constant k = 6.80E-5 s^-1. If the initial concentration of A is 0.261 M, what will be the concentration of A after 1.20 minutes? | None | null | null | null | null | null |
null | Use the following information to calculate the beta for Stock Y.
Expected return on Stock X
14.00%
Standard deviation of return on Stock X
18.00%
Correlation coefficient of returns between Stock X and Y
0.26
Standard deviation of return on Stock Y
2... | None | null | null | null | null | null |
null | An electric dipole with dipole moment {eq}p\space and\:charge\:q\:at\:x=d{/eq} and -d, respectively, is located a distance x away from an infinite plane of charge with surface charge density {eq}\sigma{/eq} (in this problem, d is not considered very small and therefore cannot be treated as such.) What is the electric f... | None | null | null | null | null | null |
null | First cobber Hill Mining is considering a project that will produce cash inflows of $1,600 a year for 8 years. The initial cost of the project is $7,500. What is the internal rate of return if the project is depreciated straight-line to zero over its 8-year life? | None | null | null | null | null | null |
null | Suppose a firm is producing a good that is produced in batches of 500 units each. The firm has three options for expanding output. It could build a new plant and hire a new workforce, it could add new machinery to its current plant, or it could add another shift to the workers in the current plant. It costs $21 million... | None | null | null | null | null | null |
null | A company's current assets are $420,000, and its quick assets are $420,000. Its current liabilities are $300,000, and its acid-test ratio is:
a. 1.40 to 1
b. 0.57 to 1
c. 0.70 to 1
d. 1.33 to 1
e. not enough information | None | null | null | null | null | null |
null | A call option has an exercise price of {eq}\$55
{/eq} and matures in six months. The current stock price is {eq}\$55
{/eq}, and the risk-free rate is {eq}4\%
{/eq} per annum. What is the price of the call if the standard deviation of the stock is zero? | None | null | null | null | null | null |
null | If a firm plans to issue new long-term debt this year, which of the following will normally occur?
A) The AFN will be zero
B) The FCF will be negative
C) The FCF will equal the additional funds required
D) The FCF will exceed the additional funds required | None | null | null | null | null | null |
null | Vic & Tania share a household and a single pool. Vic pays $100/month for electricity and pool chemicals. Tania pays $10/month for the same. They decide to buy a used pool vacuum cleaner (that works by suction) for $500. It has an average life of 10 years with no residual value. In making the decision to purchase the va... | None | null | null | null | null | null |
null | Lobster distributions have had an extremely successful year. Members of the distribution center staff were so elated about their earnings last year that they have decided to reward themselves with a company picnic. The center uses a periodic inventory system. The company's beginning inventory and purchases for the year... | None | null | null | null | null | null |
null | Which of the following would cause the stock price to change?
A) If there is an increase in the market return
B) If there is an increase in the dividend growth rate
C) If there is an increase in the beta coefficient
D) If there is an increase in the required rate of return
E) If there is an increase in the expecte... | None | null | null | null | null | null |
null | A materials requisition slip shows that direct materials requested is $80,000 and the total materials requested is $110,000.
The materials were actually inspected and found to be $84,000 and $114,000, respectively. The journal entries that reflect this transaction are:
a. Work in Process 84,000
Manufacturing Overhe... | None | null | null | null | null | null |
null | Assume that an economy is currently at its Golden Rule steady-state, and then the current stock of capital increases because of an increase in labor-augmenting technological progress.
As a result, we can conclude that, in the new steady state, output per capita will:
a. remain the same.
b. increase but not by the sa... | None | null | null | null | null | null |
null | You are testing a new lens. You place an object 10.0 cm to the left of a lens and find that the image is 45.0 cm to the right of the lens. What is the focal length of the lens? | None | null | null | null | null | null |
null | D. Hare owns 100% of the outstanding common stock of Water Company, which makes all of its sales to customers in the United States. Two years ago, Hare sold 100% of the outstanding common stock of Wildcat Company, which makes all of its sales to customers in other nations, to non-controlling owners. Wildcat has never s... | None | null | null | null | null | null |
null | Nelson Systems had accounts receivable of $100,000 and inventory of $140,000 on December 31, 2012. On January 1, 2013, accounts receivable was $97,000 and inventory was $133,000. During January, sales revenue was $400,000 and cost of goods sold was $200,000. What was the amount of change in working capital during Janua... | None | null | null | null | null | null |
null | A 10-year, 10 percent bond has a par value of $1,000. The bond is callable in 10 years at a call price of $1,100. It has a 5 percent coupon and is currently selling for $820. What is the bond's yield to call?
A) less than 5%
B) 5-6%
C) 6-7%
D) more than 7% | None | null | null | null | null | null |
null | McDaniel Electronics is considering a project that has an initial investment of $15,000. What is the project's cash flow for year 2 using the following data?
Year 1
Year 2
Year 3
Revenue
$20,000
$20,000
$20,000
Variable costs
(6,000)
(8,000)
(10,... | None | null | null | null | null | null |
null | You are an analyst for a company that manufactures transistors for use in computers. You have been asked to evaluate a proposed new production process for which there is no manufacturing or sales data. The process will be in place at your company for at least 5 years. So the cash flows for the process will be reinveste... | None | null | null | null | null | null |
null | The 4000 s.f. warehouse was the type of building where storage and unit loading was efficient and the company was making a profit. The rental cost was $7.50 per s.f. The monthly lease payment was to be based on the actual square feet used and the management wanted the company's president to know the lease payments befo... | None | null | null | null | null | null |
null | A bond has an annual {eq}8
{/eq} percent coupon rate, a maturity of {eq}10
{/eq} years, a face value of {eq}\$1,000
{/eq}, and makes semi-annual payments. If the price is {eq}\$954.96
{/eq}, then the annual nominal yield to maturity on the bond is closest to _____.
a. {eq}7 \%
{/eq}.
b. {eq}8 \%
{/eq}.
c. {eq}... | None | null | null | null | null | null |
null | A firm has {eq}6\%
{/eq} preferred stock, {eq}14\%
{/eq} of which is convertible into {eq}6.5\%
{/eq} bonds. Each bond is convertible into {eq}50
{/eq} shares of common stock. In order to calculate diluted EPS, how many additional shares must be used in the calculation?
A. {eq}26,000\ shares
{/eq}.
B. {eq}520,00... | None | null | null | null | null | null |
null | Doyle Corporation has provided the following financial data for the year ended December 31, 2005:
Net income: $500,000
Depreciation expense: $100,000
Increase in deferred tax liability: $5,000
Increase in accounts receivable: $15,000
Increase in accounts payable: $20,000
Increase in accrued liabilities: $5,000
C... | None | null | null | null | null | null |
null | A project has a total cost of $800,000 and a useful life of 5 years. If the straight-line method of depreciation is used, what is the amount of depreciation in the third year? Assume the residual value at the end of year 5 is $50,000.
a. $50,000
b. $80,000
c. $130,000
d. $150,000 | None | null | null | null | null | null |
null | A callable bond is selling for $1016. It pays interest semi-annually, has a 7% coupon, $1000 par, and a remaining life of 7 years. The yield to call is 6.95%.
What is the call price on this bond? | None | null | null | null | null | null |
null | Find the least squares solution of {eq}Ax=b {/eq}, where {eq}A {/eq} is the coefficient matrix and {eq}b {/eq} is the right-hand side vector of the following system: {eq}3x_1+x_2=2, -x_1+x_2=0, 2x_1-x_2=0 {/eq} | None | null | null | null | null | null |
null | Pace Inc. uses a job order cost system and applies overhead based on estimated rates. The overhead application rate is based on total estimated overhead costs of $350,000 and direct labor hours of 10,000. During the month of February, 2019, actual direct labor hours of 8,200 were incurred. Use this information to deter... | None | null | null | null | null | null |
null | If the longest-wavelength photon that can be absorbed by a hydrogen atom in its ground state has a wavelength of 1640 nm, what is the energy gap between the ground state and the first excited state? | None | null | null | null | null | null |
null | Cash provided by operating activities is normally shown first on the statement of cash flows (indirect method) if
a. Depreciation Expense is added to net income.
b. Cash from the sale of equipment is greater than the purchase of equipment.
c. Depreciation Expense is deducted from revenue.
d. Gains on the sale of eq... | None | null | null | null | null | null |
null | Your firm is considering leasing a new robotic milling control system. The lease lasts for 4 years. The lease calls for 5 payments of $280,000 per year with the first payment occurring at lease inception. The system would cost $900,000 to buy and would be straight-line depreciated to a zero salvage value. The firm can ... | None | null | null | null | null | null |
null | Joshua contracts with Julie's employer, M Corporation, to perform a job for $3,000, payable in three installments of $1,000 each on January 1, June 1, and December 1. Joshua gives Julie an all-inclusive promissory note for $3,000, payable in three installments of $1,000 on January 1, June 1, and December 1. Which of th... | None | null | null | null | null | null |
null | An insurance company has 10,000 automobile policyholders. The expected yearly claim per policyholder is $240 with a standard deviation of $800. Approximate the probability that the yearly claim exceeds $2.67 million. | None | null | null | null | null | null |
null | After reading a demographic study on the habits and modern lifestyles of the American public, TI Inc. decided launching a new product, Gizmo. TI's CEO has asked you to determine whether or not to go ahead with the introduction of a new product. You have the following information:
Most of the numbers for your estimates... | None | null | null | null | null | null |
null | Calculate the energy of attraction between a cation with a valence of +2 and an anion with a valence of -1, the centers of which are separated by a distance of 1.56 nm. | None | null | null | null | null | null |
null | Use Laplace transforms to solve the O.D.E:
{eq}y'' + 3y' + 2y = e^{-t}, \ y(0) = 1, \ y'(0) = 0
{/eq} | None | null | null | null | null | null |
null | Winthrop Construction (WC) needs $4 million of assets to get started, and it expects to have a basic earning power ratio of 15%. WC will own no securities, so all of its income will be operating income. If it so chooses, WC can finance up to 45% of its assets with debt, which will have an 8% interest rate. If it choose... | None | null | null | null | null | null |
null | The _____ method of budgeting involves the use of a static budget and a series of rolling forecasts.
A. Trend extrapolation
B. Elastic
C. Zero-based
D. Multiple time-frames | None | null | null | null | null | null |
null | The correct inventory amount to be reported in the 2018 balance sheet is: | None | null | null | null | null | null |
null | If X1, X2, . . . , Xn are independent and identically distributed as N(μ, σ2), show that Y = (n − 1)S2/σ2 is independent of Z = ∑ni=1 Xi. | None | null | null | null | null | null |
null | A 200-turn solenoid, 0.50 m long, has a radius of 1.0 cm. A 1.5-turn straight wire cuts through the center of the solenoid and passes along its axis. During what time interval must a 15-A current be set up in the solenoid so that the magnetic flux in the straight wire is equal to the maximum possible value? | None | null | null | null | null | null |
null | An electric field of intensity 542{eq}\frac{N}{C} {/eq} is applied to an electron, initially at rest. What is the acceleration of this electron in {eq}m/s^2{/eq}}? Express your answer in {eq}m/s^2{/eq}}. | None | null | null | null | null | null |
null | Find the maximum of $f(x_1,x_2) = x_1 - 4x_2$ subject to the constraints $x_3 = 2 + x_1 - x_2$, $x_4 = 10-x_1-2x_2$, $x_5 = 4 + x_2 - x_1$, and $x_i \ge 0$ for $i = 1, 2, 3, 4, 5$. | None | null | null | null | null | null |
null | Firms X and Y are the only sellers of a product in a duopoly.
Firm X has a marginal cost (MCx) of 5 + 4Qx.
Firm Y has a marginal cost (MCy) of 2 + 4Qy.
The market demand curve is P = 21 - 2Q.
Q = Qx + Qy
To maximize profits, what quantity of the product should be produced?
A. 2
B. 6
C. 7
D. 9 | None | null | null | null | null | null |
null | Your firm's stock is selling for $55 per share versus a dividend yield of 4%. You are considering a 3-year investment in the stock with the expectation of a 15% growth each year. In addition to the anticipated dividend, how much of a price appreciation per share would you need to see to justify a 15% expected return?
... | None | null | null | null | null | null |
null | Evaluate the surface integral {eq}\int \int _{S}(x^{2}+y^{2}-3)ds{/eq} where s is the part of the cylinder {eq}x^{2}+y^{2}=3{/eq} that lies above the xy plane and below the surface z=2y+4. | None | null | null | null | null | null |
null | Weatherall Enterprises has no debt or preferred stock it is an all-equity firm and has a beta of 2.0. The chief financial officer is evaluating a project with an expected return of 14%, before any risk adjustment. The risk-free rate is 5%, and the market risk premium is 4%. The project being evaluated is riskier than a... | None | null | null | null | null | null |
null | You have just completed a $25,000 feasibility study for a new coffee shop in some retail space you own. You bought the space two years ago for $100,000, but if you sold it today, you would net $125,000 after taxes.
Outfitting the space for a coffee shop would require a capital expenditure of $50,000 plus an initial in... | None | null | null | null | null | null |
null | Suppose the central bank of a country undertakes an expansionary monetary policy. Which of the following is most likely to be the effect of such a policy, all other things remaining unchanged?
a. a decrease in the price level that reduces the interest rate and lowers the real value of the domestic currency foreign-exc... | None | null | null | null | null | null |
null | The Fidelity Mutual Fund Company is interested in estimating the population mean of all its 30-year mutual funds. How large a sample should be drawn so that the estimate will be within $6,000,000 of the population mean with a 98% confidence interval? Given that the range of the data is between $3,000,000 and $6,000,000... | None | null | null | null | null | null |
null | Determine whether the sequence $a_n = (\sqrt{4n^2 + 7} - 2n)(4n^2)$ converges or diverges, and if it converges, find its limit. | None | null | null | null | null | null |
null | The government wants to raise a fixed amount of tax revenue by imposing an excise tax in the market for beer and/or in the market for wine. Assume that the supply is perfectly elastic in the two markets, that neither the demand for beer nor the demand for wine is perfectly elastic, but that the demand for wine is more ... | None | null | null | null | null | null |
null | Consider the following cash flows on a not-for-profit project:
Year Cash Flow
0 -$51,500
1 $28,000
2 $23,500
3 $12,500
The internal rate of return is closest to what percent? | None | null | null | null | null | null |
null | A rigid cylindrical tank stores 1.5 lb{eq}_m
{/eq} of liquid water at 3000 psia and 580 {eq}^o
{/eq}F.
The initial volume of the tank is 0.2 ft{eq}^3
{/eq}.
An internal piston cylinder device is used to minimize the pressure drop associated with opening the valve on the tank.
The valve is small enough that the pr... | None | null | null | null | null | null |
null | A 0.15-{\mu}F capacitor is charged to 100 V and is then connected in series with a 100-mH inductor and a 250-{eq}\Omega
{/eq} resistor. The initial current in the circuit will be:
A) 0.1 A
B) 0.2 A
C) 25 A
D) 0 A
E) 400 A | None | null | null | null | null | null |
null | Katherine's Fashions Inc. manufactures dresses, skirts, and slacks for women. The standard cost of one dress is $30.00. Each dress requires 4 yards of fabric (fabric cost $3.00 per yard) and 6 hours of direct labor at $10.00 per hour. During the month of June, the company manufactured 8,800 dresses. The actual cost of ... | None | null | null | null | null | null |
null | Given a sample of size {eq}n = 120,
{/eq} how large should the sample proportion be in order for it to be appropriate to use the normal distribution to compute confidence intervals for the population proportion? | None | null | null | null | null | null |
null | A block of mass M = 4.6 kg is hanging from a massless cord that is wrapped around a solid cylinder of radius R = 1 m and mass m = 6.7 kg as shown below. The cylinder is mounted on a vertical axis that passes through its center with negligible friction. When the block is released, it falls and unwraps the cord. Determin... | None | null | null | null | null | null |
null | In an experiment, students exposed to bright light at night, while restricting their light exposure during the day ({eq}\text{bright night - dark day})
{/eq}), produced 30% more melatonin than students who were exposed to bright light during the day ({eq}\text{bright day - bright night})
{/eq}) in what percentage ran... | None | null | null | null | null | null |
null | An annuity payment of $5,000 is made at the beginning of each year for 10 years. What is the future value of this annuity given that the discount rate is 8%? | None | null | null | null | null | null |
null | An increase in the variable cost per unit, holding all other factors constant, will:
a. increase the contribution margin.
b. reduce the contribution margin ratio.
c. reduce the weighted average contribution margin.
d. cause the contribution margin and contribution margin ratio to move in the same direction.
e. cau... | None | null | null | null | null | null |
null | Let x be a random variable that represents the time it takes for a student to complete a take-home test in an online class. Suppose that the mean time for students to complete the test is 6.5 hours and the variance is 1 (this means that the standard deviation is 1 hour). If 50 tests are randomly selected from the popul... | None | null | null | null | null | null |
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