id string | problem string | answer string | answer_type string | category string | difficulty string | eval_score int64 | similar_problems list |
|---|---|---|---|---|---|---|---|
null | Assume that US and Mexico trade with one another. They both have resources for making jeans and televisions. In the US, it takes 3 workers to make one pair of jeans and 4 workers to make one television. In Mexico, it takes 11 workers to make one pair of jeans and 10 workers to make one television.
According to Compara... | None | null | null | null | null | null |
null | The _____ perspective of social responsibility states that a manager's responsibility is to maximize profits for the owners of the business.
A) effector
B) effectiveness
C) efficiency
D) efficacy | None | null | null | null | null | null |
null | Estimating demand
What is the estimated change in the quantity demanded of Good A if its price increases from {eq}\$6.00
{/eq} to {eq}\$7.50
{/eq} and the price of its complement Good B increases from {eq}\$5.00
{/eq} to {eq}\$12.50
{/eq} when the available Income is {eq}\$5,000
{/eq}?
When P
... | None | null | null | null | null | null |
null | Which of the following is the most important consideration when selecting a control group for an experiment?
a. making sure that the control group has received a placebo.
b. making sure that the control group is as similar as possible to the treatment group.
c. making sure that the control group is no different from... | None | null | null | null | null | null |
null | Let S denote sphere of radius 3 centered at the origin in R^3, and define the vector field F= <-y, x, 0 >. From elementary principles (without using calculus), compute the flux of F out of S. | 0 | null | null | null | null | null |
null | Find the capital gains yield for a stock that is selling for $66.50 a share and has a dividend yield of 3 percent. The stock is expected to have a constant growth rate of 4 percent. | None | null | null | null | null | null |
null | The following game has two Nash equilibria:
Player C
C1
C2
Player R
R1
R2
R1
3,3
0,5
R2
1,0
4,4
C1
2
3
5
2
C2
1
2
3
1
a. ({eq}R2, C1{/eq})
b. ({eq}R1, C2{/eq})
c. ({eq}R1... | None | null | null | null | null | null |
null | Solve the integral: $\int \limits_{-1}^0 \mathrm{d}x + \int \limits_0^2 \mathrm{d}x + \int \limits_2^1 \mathrm{d}x$, given that $f(x)=x^3$. | None | null | null | null | null | null |
null | Suppose you invest $5,000 today and $5,000 in one year and expect to sell your holdings for $11,000 in two years. Your opportunity cost of capital is 12%. The present value of your investment is closest to:
a. $8,625
b. $9,950
c. $10,427
d. $10,825 | None | null | null | null | null | null |
null | The scientific advances made during the Green Revolution
a. were made possible by basic research in genetics.
b. led to the development of genetically modified organisms.
c. led to increased yields.
d. led to an increase in reliance on chemical inputs.
e. Answers c and d are correct. | None | null | null | null | null | null |
null | Evaluate the series $$\sum_{n=1}^\infty (-1)^{n+1}\frac{2n+1}{n(n+1)}.$$ | 1 | null | null | null | null | null |
null | Tania borrows $1,000 for 2 years at an annual interest rate of 4%. She immediately invests the loan in an account that pays an annual interest rate of 8%. After two years she pays off the loan and withdraws the money from her account. What is the amount of the final withdrawal?
Select one:
A. $1,080.00
B. $1,100.80
... | None | null | null | null | null | null |
null | Consider a portfolio with the following characteristics:
| Stock | Investment | Expected Return | Standard Deviation |
|-------|------------|-----------------|--------------------|
| A | $20,000 | 15% | 22% |
| B | $35,000 | 12% | 24% |
If you bought $20... | None | null | null | null | null | null |
null | The aggregate supply curve slopes upward because:
a. at higher price levels, both input prices and output prices rise.
b. at higher price levels, only output prices rise.
c. at higher price levels, only input prices rise.
d. at higher price levels, the demand for labor decreases.
e. at higher price levels, the qua... | None | null | null | null | null | null |
null | Snow cone machine at an ice cream shop costs $15,000. The machine is expected to generate profits of $2,500 each year of its 10 year useful life. At the end of the 10 years the machine will have a salvage value of zero. What interest rate range does the IRR fall in?
A. Less than 10%
B.10% to 12 %
C.12% to 14%
D. ... | None | null | null | null | null | null |
null | This activity is about "Valentine's Month" and the subtopic is "Sole Proprietorship".
On February 6, 2017, Rinal P. Uvero, a sole proprietor, started an Internet-based company Valentines.com, to manufacture and sell valentines. All production is done by Uvero during her off hours. During February, the following cash t... | None | null | null | null | null | null |
null | The purchase of $100,000 of equipment by issuing a note would be reported:
a. in a supplementary schedule.
b. as a $100,000 investing outflow, and a $100,000 financing inflow.
c. as a $100,000 investing inflow, and a $100,000 financing outflow.
d. as a $100,000 operating inflow, and a $100,000 financing outflow. | b | null | null | null | null | null |
null | When the number of items in the sample is less than 10% of the population:
A) the standard deviation of the sampling distribution of equals the population standard deviation, multiplied by the square root of the sample size.
B) the sampling distribution will not be approximately normal.
C) there is no sampling distr... | None | null | null | null | null | null |
null | The appropriate discount rate for evaluating a 10-year project is 9 percent. The project's cost of capital is 11 percent and its free cash flow is expected to be $6,300 per year. The project has no growth in cash flows over the 10-year life of the project. If the NPV of the project is $158.96, then what is the cost of ... | None | null | null | null | null | null |
null | Southwest Physicians, a medical group practice, is just being formed. It will need $2 million of total assets to generate $3 million in revenues. Furthermore, the group expects to have a profit margin of 5%. The group is considering two financing alternatives. First, it can use all-equity financing by requiring each ph... | None | null | null | null | null | null |
null | Which of the following is not an example of other revenue or expenses?
a) profit from a new product line
b) loss due to a write-down of inventory
c) loss of disposal of a major line of business
d) loss on sale of equipment
e) none of these | None | null | null | null | null | null |
null | How many of the 100 most recent test takers will score more than 110, assuming the scores are normally distributed with a mean of 105 and a standard deviation of 5? | None | null | null | null | null | null |
null | Landram Corporation makes a product with the following standard costs:
Inputs Standard Quantity or Hours Standard Price or Rate
Direct materials 2.0 kilos $7.00 per kilo
Direct labor 1.0 hours $18.00 per hour
Variable overhead 1.0 hours $2.00 per hour
In March the company produced 4,700 units using 10,160 kilos of di... | C | null | null | null | null | null |
null | Consider a multiproduct firm with the following production and cost function: $y_1 = f_1(x_1) ; y_2 = f_2(x_2) ; c_i(x_i) = w_ix_i$. Which of the following statements are true?
a. The total cost is $c_1(x_1) + c_2(x_2)$.
b. Total cost is $c(y_1) + c(y_2)$.
c. Total cost is $c(y)$, where $y=(y_1,y_2)$.
d. Total cost is ... | None | null | null | null | null | null |
null | In the following situation, identify which of the following types of statistical inference is most appropriate: i) calculating a confidence interval for the population mean, ii) conducting a one-sample t-test for the population mean, iii) conducting a one-sample t-test for the population median, iv) conducting a one-sa... | None | null | null | null | null | null |
null | What is the difference between $\langle A \rangle^\dagger$ and $\langle A^\dagger \rangle$, and why does the order matter in the expression $\langle A \rangle^\dagger = \langle \psi^\dagger|A^\dagger|\psi\rangle$? How do the outcomes of $\langle \phi_i |A^\dagger |\phi_i\rangle$ and $\langle \phi_i^\dagger|A^\dagger |\... | None | null | null | null | null | null |
null | Jensen's Travel Agency has 9% preferred stock outstanding that is currently selling for $40 a share. The market rate of return is 8% and the firm's tax rate is 34%. What is Jensen's cost of preferred stock?
5.94%
20.00%
7.65%
15.30%
22.50% | None | null | null | null | null | null |
null | You are the money manager of a $15 million dollar dollar portfolio. Your portfolio consists of a $5 million investment in Stock P, a $5 million investment in Stock Q, and $5 million investment in Stock R.
Stock P, Q, and R have betas of 0.5, 1.2 and 1.8 respectively. What is your portfolio beta? | None | null | null | null | null | null |
null | Stocks A, B, and C have expected returns of 14%, 14%, and 11%, respectively, while their standard deviations are 48%, 29%, and 29%, respectively.
If you were considering the purchase of each of these stocks as the only holding in your portfolio and the risk-free rate is 0%, which stock should you choose? (Hint: the Co... | Stock B | null | null | null | null | null |
null | When bonds are sold at a discount, if the annual straight-line amortization amount is compared to the annual effective interest amortization amount over the life of the bond issue, the annual amount of the straight-line amortization of discount is:
A. Hight than the effective interest amount every year.
B. Hight than... | None | null | null | null | null | null |
null | As the Fed increases the money supply and lowers interest rates, investment spending _____ and net exports _____, everything else held constant.
A. increases; increase
B. increases; decrease
C. decreases; decrease
D. decreases; increase
E. remains constant; remain unchanged | None | null | null | null | null | null |
null | Assume that the incremental cost of establishing a new plant is $4,000 per unit.
For a particular country, there are 5,000 units of effective protection (EP).
What is the total amount of new plants established as a result of the tariff protection?
A. 400 plants
B. 1000 plants
C. 2000 plants
D. 4000 plants | None | null | null | null | null | null |
null | How do you use the Trapezoidal Rule and the Simpson's Rule when n=4 when approximating the integral ∫(5t + 6) dt from [3,6]? | None | null | null | null | null | null |
null | Marie's Market, Inc. collected premiums of $100,000 during the year from customers for fire insurance. The amounts collected were for a three-year period. There was no change during the year in the amount of the deferred premium liability account. From the information above, what would be the amount of revenue recorded... | None | null | null | null | null | null |
null | Karl Company accrued wages of $8,250 that were earned by employees unpaid at the year-end. Assuming Karl uses reversing entries, which of the following entries correctly reverses the accrued wages at the beginning of the following year?
a) Debit Wages Expense $8,250; credit Cash $8,250.
b) Debit Wages Expense $8,250;... | e | null | null | null | null | null |
null | $\lim_{n \to \infty} \int_{[0,1]}\frac{1}{1+nx} d\mu = \lim_{n\to\infty}(\int_{[0,1/n]}\frac{1}{1+nx} d\mu + \int_{[1/n,1]}\frac{1}{1+nx} d\mu)$
What is the next step in evaluating the limit of the integral $\int_{[1/n,1]}\frac{1}{1+nx} d\mu$? Why is it sufficient to prove the integral on $[0,1/n]$ tends to $0$ to show... | None | null | null | null | null | null |
null | Collison and Ryder Company (C&R) has entered into a lease commitment for a new computer. C&R has determined that the minimum lease payment is $125,000. The asset has an estimated economic life of 12 years and will be leased for the full 12 years. The computer will have no residual value. C&R has an incremental borrowin... | None | null | null | null | null | null |
null | Calculate {eq}\bigtriangledown \cdot F, \bigtriangledown \times F{/eq} for F given by {eq}F = \frac {x^2}{\sqrt{x^2+y^2+z^2}}i + \frac {xy}{\sqrt{x^2+y^2+z^2}}j+ \frac {xz}{\sqrt{x^2+y^2+z^2}}k{/eq} | None | null | null | null | null | null |
null | This problem is about a particular firm in an industry. Use the information below to answer all the following questions.
1) For this firm, estimated demand (marginal revenue) is {eq}MR=8-Q
{/eq}
2) The marginal cost of producing this good is constant {eq}MC=2
{/eq}
3) The good is excludable, which means you can ch... | None | null | null | null | null | null |
null | Which of the following is not a reason that quick assets may be a better measure of liquidity than total current assets?
A. It may be a better measure when current assets make up a large percentage of total assets.
B. It may be a better measure when a large percentage of current assets are in the form of inventory.
... | None | null | null | null | null | null |
null | Lindsey is willing to purchase 4 units of good X when the price of good Y is $2. If the price of good Y rises to $3 and she purchases only 1 unit of good X at the higher price, what is her cross price elasticity of demand between goods X and Y at those prices? | -1.5 | null | null | null | null | null |
null | For an economy at point A on the production possibilities frontier with resources devoted to the production of consumer and capital goods in the ratio of 3:2, moving to point B with resources devoted to the production of consumer and capital goods in the ratio of 2:3 would:
a. decrease the slope of the production poss... | None | null | null | null | null | null |
null | I was looking at the proof that if $x_n \le y_n$ for all but finitely many $n$, then $\limsup (x_n) \le \limsup(y_n)$, and one of the steps was $$x_n \le y_n \le \sup(y_k : m \le k)$$ How does the first inequality imply the second? It seems like we can only conclude $x_n \le \sup(y_k : m \le k)$. | None | null | null | null | null | null |
null | Bacterial resistance to Beta-lactams may be mediated by all of the following except:
A. Prevention of phagolysosomes formation
B. Altered antibiotic target proteins
C. Decreased intracellular uptake of the drug
D. Active elimination of efflux pump
E. Enzymatic destruction of the antibiotics | None | null | null | null | null | null |
null | Determine the exact sample size for this study, given that the 95% confidence interval for the mean ranged from 46 to 54, the sample mean was 50, the sample standard deviation was 16, and the sample size was at least 30. | None | null | null | null | null | null |
null | Data for January for Bondi Corporation and its two major business segments, North and South, appear below:
Sales revenues, North $548,000
Variable expenses, North $318,000
Traceable fixed expenses, North$65,600
Sales revenues, South$423,500
Variable expenses, South $241,600
Traceable fixed expenses, South $54,800
In ... | None | null | null | null | null | null |
null | Yongkyun follows the five Rules of Actional Thought, and he faces the following deals:
Deal-1 0.4 $30
0.6 $50
Deal-2 0.5 $0
0.5 $50
Deal-3 0.2 $0
0.8 $50
Deal-4 1 $30
Now consider this statement:
"If Yongkyun prefers Deal 1 over Deal 3, then he prefers Deal 2 over Deal 4"
Which of the following best describ... | a | null | null | null | null | null |
null | Investment A offers to pay $4,000 in one year and $6,000 in two years. Investment B offers to pay $3,000 in one year and $7,000 in two years. The promised cash flows of both investments have a present value of $8,747.83 when discounted at 10%.
If the expected return on investment A is 20%, what is the expected return ... | None | null | null | null | null | null |
null | Your accountant just called you with the following information. "John, your firm recently had a change in management. The new CEO doesn't like your old accountant. He's got rid of him. I'm working as his assistant. I'm an accountant too. He's going to get rid of me if he thinks I'm not doing a good job. The company is ... | None | null | null | null | null | null |
null | Last year Angela Corporation's earnings before interest and taxes (EBIT) were $300,000; its tax rate was 40%; its interest expense was $120,000; and its net income was $180,000.
Which of the following statements is CORRECT?
a. EBIT includes a deduction for interest expense.
b. EBIT = EBITDA + Depreciation Expense.
... | None | null | null | null | null | null |
null | The solid between the planes z = 0 and z = 4 has a density equal to the distance to the plane z = 4. Find the mass of the solid. (in kg) | None | null | null | null | null | null |
null | Market structures and pricing. Given the demand function {eq}Q=300-4P
{/eq}, calculate the point price elasticity of demand when price {eq}P
{/eq} = $25 and {eq}Q
{/eq} = 100. From the information given, would it be possible to calculate {eq}MR
{/eq}? Why or Why not? | None | null | null | null | null | null |
null | How can I prove that the double integral $$ J = \iint\limits_B g(x,\,y)\,\text{d}x\,\text{d}y\,, \quad \text{with} \; g(x,\,y) = \frac{x\,y}{x^2+y^2}\,, \quad B = \{1 \le x^2+y^2 \le 4,\,y \ge x\} $$ equals 0 by identifying a symmetry $S$ for $B$ in which $g$ is odd, similar to how the triple integral is shown to be 0 ... | 0 | null | null | null | null | null |
null | A 50 ml aliquot of a solution of 0.1 M formic acid is titrated against 0.1 M NaOH. Calculate the pH of the solution after 30 ml of NaOH has been added. | None | null | null | null | null | null |
null | Consider a firm that is operating in the short run with a competitive demand such that it is selling its output at a price higher than the average total cost. Which of the following statements is false?
a. The firm is earning positive economic profit.
b. The firm can earn even more profit by producing more output.
c... | None | null | null | null | null | null |
null | Which of the following is a true statement?
a. The responsibility center manager is responsible for both costs and revenues within his or her department.
b. A profit center is a department or a subsidiary that has both the authority and the responsibility for cost control and profit generation.
c. A division that is... | None | null | null | null | null | null |
null | Frozenentyme, Fierce, Penner & Smythe, the big brokerage firm, has offered to sell you an investment that will pay you $2,000 each year. The first payment will be one year after you buy the investment. If you need a 7% return, and the investment will pay the $2,000 to you now, and to your heirs (children, grandchildren... | None | null | null | null | null | null |
null | Suppose that the world is made up of the United States and Japan. United States real GDP is $15 trillion and its nominal GDP is $15 trillion. Japan real GDP is 5 trillion yen and its nominal GDP is 5 trillion yen. The United States has a population of 300 million and Japan's population is 120 million. The nominal excha... | None | null | null | null | null | null |
null | The Horizon Pharmaceutical Company makes quarterly payments of payroll taxes withheld, plus the employer's portion of these payroll taxes. Prior to the quarterly payment, should these taxes be recorded as a:
Select one:
A. Current liability
B. Accrued expense
C. Long term liability
D. Current asset
E. Current lia... | E | null | null | null | null | null |
null | What is the probability that a randomly selected point in the plane lies inside a given circle of radius 40cm? | None | null | null | null | null | null |
null | When a firm repurchases its own shares, which of the following statements is incorrect?
a. The repurchase reduces the number of shares outstanding.
b. The repurchase will be undertaken even if the stock is currently selling at less than its book value.
c. The repurchase reduces the amount of corporate income tax the... | None | null | null | null | null | null |
null | Find the second derivative of {eq}x^3 + y^3 = 64{/eq}. | None | null | null | null | null | null |
null | A sample is selected from a population with a mean of {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.
... | None | null | null | null | null | null |
null | A firm's total fixed costs for 1,000 units of output is $10,000, and its marginal cost of the 1,000th unit is $10. Its average variable cost of 1,000 units is:
a) $20
b) $10
c) $30
d) Some other amount | None | null | null | null | null | null |
null | The Rodriguez Company is considering an average-risk investment in a mineral water spring project that has a cost of $150,000. The project will produce 1,100 cases of mineral water per year indefinitely. The current sales price is $143 per case, and the current cost per case is $110. The firm is taxed at a rate of 40%.... | $48,000 | null | null | null | null | null |
null | This game has only one Nash Equilibrium. The best response of Firm X is to pick (a) ...... and the best response of Firm Y is to pick (b) ... .
(a) top, (b) left
(a) top, (b) right
(a) bottom, (b) left
(a) bottom, (b) right | None | null | null | null | null | null |
null | Renaissance Office Products has a net working capital of $20 million, current liabilities of $6 million, and inventory of $18 million. The firm's current ratio is _____ times and its quick ratio is _____ times.
a. 2.50; 1.80
b. 3.33; 1.67
c. 2.50; 1.20
d. 3.33; 1.33 | None | null | null | null | null | null |
null | Which of the following statement(s) is/are true?
I. A firm is experiencing economies of scale if it is able to reduce its average total cost by producing a larger output.
II. Fixed costs exist in the long run only.
A. I
B. II
C. Both I and II
D. Neither I or II | None | null | null | null | null | null |
null | During 2013, Chastain Company's net income was $30,000 and its tax expense was $2,000. During the year, accounts payable decreased by $12,000 and accounts receivable increased by $4,000.
What was the company's net cash flow from operating activities for 2013?
A. $46,000
B. $26,000
C. $30,000
D. $42,000 | None | null | null | null | null | null |
null | Taco Corporation is considering eliminating its shoe division, which reported a loss for the recent year of $42,800. The division sales for the year were $842,200 and the variable costs were $547,200. The fixed costs of the division were $361,000. If the shoe division is dropped, 40% of the fixed costs allocated to tha... | None | null | null | null | null | null |
null | At an output level of 84,000 units, you calculate that the degree of operating leverage is 1.8. The output rises to 91,000 units. What will the percentage change in operating cash flow be? | 15% | null | null | null | null | null |
null | The additional profit the firm receives when it hires an additional worker is equal to the:
A. marginal revenue product of labor
B. marginal product of labor times the marginal revenue
C. marginal product of labor times the marginal cost
D. marginal product of labor divided by marginal cost
E. change in total prod... | None | null | null | null | null | null |
null | Use the Black-Scholes model to find the price for a call option with the following inputs:
(1) current stock price is $30, (2) exercise price is $35, (3) time to expiration is 4 months, (4) annualized risk-free rate is 5%, and (5) variance of stock return is 0.25. | None | null | null | null | null | null |
null | Is the following equation true for a fair $100 one-year coupon bond that sells at $100 and has a yield to maturity of 8 percent and a 20 percent chance of default?
{eq}\displaystyle
100 = \frac{(100 - 20)\cdot1.08}{1.05} + \frac{(100 - 20)\cdot0.92}{1.05}
{/eq} | None | null | null | null | null | null |
null | Katherine Company's stock is currently selling for $75.00 per share. The required return on the stock is 10 percent. The dividend yield on the stock is 6 percent. What is the constant growth rate of the stock? | None | null | null | null | null | null |
null | How to find the closed form of the sequence $a_{n}$ given the formula $a_{n}= \frac{1}{(n+1)(n+2)}+\frac{2}{(n+2)(n+3)}+\frac{3}{(n+3)(n+4)} + ... + \frac{n}{(n+2)(n+3)}$? | None | null | null | null | null | null |
null | How does using the result (1.126), $I=(2 \pi \sigma^{2})^{1/2}$, in the left side of (1.142) lead to $\pi^{D/2}$? | \(\pi^{D/2}\) | null | null | null | null | null |
null | I am just starting to learn about MACRS and do not understand how to complete the table. Given a 7-year property, what is the depreciation expense for year 2 under MACRS? Assume a 5% income tax rate. Show the table that I should use to complete this problem. | None | null | null | null | null | null |
null | Sheldon's Curtains Inc. expects its 2013 net income to be $1,500,000. The firm's balance sheet for 2012 is as follows:
Assets
2012
Current assets
$2,100,000
Long-term assets
$5,700,000
Total assets
$7,800,000
Liabilities and Stockholders' Equi... | None | null | null | null | null | null |
null | Consider the titration of 10.00 mL of 0.100 M hypochlorous acid with 0.100 M NaOH. What is the pH after 9.80 mL of NaOH has been added?
A) 13.0
B) 12.3
C) 12.4
D) 12.7 | None | null | null | null | null | null |
null | Medical Wonders is a new company and is considering the purchase of new medical equipment. The equipment has a list price of $800,000. The company will buy the equipment if it can be financed with a loan that has an interest rate of 4% and can be paid off in 10 years. The company's current income statement shows revenu... | None | null | null | null | null | null |
null | Assuming that the term structure of interest rates is determined in the market for riskless bonds, what does a downward sloping yield curve (i.e., one which indicates that long term interest rates are less than short-term interest rates) imply?
a) Expected future short-term interest rates are greater than current shor... | None | null | null | null | null | null |
null | Train Company has 200,000 shares of common stock issued and 20,000 shares of Treasury Stock. On April 15, the board declared a $0.55 dividend to be paid to stockholders of record on May 4. The dividend was distributed on May 15. The proper journal entry for Train Company on May 15 does not include: (choose the correct ... | c | null | null | null | null | null |
null | If a company has made a mistake and needs to correct its published financial statements, it should:
a. restate the statements
b. issue a change in accounting policy
c. restatement is not an alternative
d. reclassify an item within the income statement | None | null | null | null | null | null |
null | Machine A has a labor cost per unit of $15 and a material cost per unit of $3. Machine B has a labor cost per unit of $13 and a material cost per unit of $6. What is the break-even point per period for Machine A to be preferred to Machine B, assuming there are no fixed costs and the selling price per unit is $20? | None | null | null | null | null | null |
null | In analyzing financial statements, the percent of sales method:
a. ignores the current asset and current liability components of working capital.
b. involves forecasting future trends for certain financial statement items.
c. involves using last year's budgeted financial statements.
d. focuses on actual historical ... | None | null | null | null | null | null |
null | I need to evaluate the following limit: $$ \lim_{x\to \frac {\pi ^-}{2}} \frac {(\pi - 2x) \sin x}{\ln(\cos x)} $$ How do I do that? | None | null | null | null | null | null |
null | Which of the following is true about the prepaid meter?
(a) It is an example of perfect price discrimination.
(b) It is an example of two-part pricing.
(c) It charges the customer more if the customer uses the good less.
(d) It charges the customer less if the customer uses the good less. | None | null | null | null | null | null |
null | Which of the following is not correct?
a. Increasing returns to scale are also called economies of scale.
b. Decreasing returns to scale occur because of the law of diminishing returns.
c. Economies of scope occur when a number of different products can be produced more efficiently together than apart.
d. Constant ... | b | null | null | null | null | null |
null | Aine would like to create a portfolio that is equally invested in a risk-free asset and two stocks. The one stock has a beta of 0.72. What does the beta of the second stock have to be if Aine wants the portfolio risk to equal that of the overall market? | None | null | null | null | null | null |
null | Show that $z_{\frac{\alpha}{2}}$ has a chi-square distribution with n - 1 degrees of freedom by writing $z_{\frac{\alpha}{2}}$ in terms of the t distribution. | None | null | null | null | null | null |
null | Let F be a vector field given by F = xi + yj + zk and let S be the surface of the tetrahedron with vertices (0, 0, 0), (0, 2, 0), (1, 0, 0), and (0, 1, 1). Compute the flux of F through S by using the divergence theorem. | None | null | null | null | null | null |
null | The demand equation for a certain brand of CD is {eq}p = -0.01x^2 - 0.3x + 17
{/eq}, where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. Determine the consumers' surplus if the supply equation is p = 0.01x^2 + 0.2x + 13. | None | null | null | null | null | null |
null | Which of the following is included as a subdiscipline by the Association for Psychological Science but not the American Psychological Association?
a. rehabilitation
b. behavioral genetics
c. suicide
d. measurement | None | null | null | null | null | null |
null | Evaluate the integral by making appropriate substitutions: {eq}\int {{{{e^x}} \over {1 + {e^x}}} \ dx} | ln(1+e^x) + C | null | null | null | null | null |
null | $E$ is the set of all $x \in \mathbb R$ such that $\lim_{n \rightarrow \infty} \cos(n x) = 0$; $\lim_{n \rightarrow \infty} n x = \infty$. Let $F$ be the set of all $x \in \mathbb R$ such that $\lim_{n \rightarrow \infty} \cos(n x) = 0$; $\lim_{n \rightarrow \infty} n x = \infty$ or $\lim_{n \rightarrow \infty} n x = -... | None | null | null | null | null | null |
null | In the long run, the costs associated with a specific rate of output will always _____.
a. increase
b. be equal to average fixed costs
c. be equal to average variable costs
d. be equal to average total costs | None | null | null | null | null | null |
null | Find the sample size needed to ensure with 98% confidence that your estimate is within 0.07 of the true proportion, given a 1996 study that 78% of non-smoking adults in the United States believed that smokers cause health problems. | None | null | null | null | null | null |
null | Qrmez Company manufactures plastic moldings for car seats. Its costing system utilizes two cost categories, direct materials, and conversion costs. Direct materials are added at the beginning of production. Conversion costs are allocated evenly throughout production. Qrmez uses the weighted-average method of process co... | None | null | null | null | null | null |
null | Vermillion Company is considering two alternative proposals for modernizing its production facility. To provide a basis for selection, the cash outlay and present value of cash inflows for each proposal have been determined. Proposal 1:
Cash outlay is $189,000 and the present value of cash inflows is $231,000.
Propos... | None | null | null | null | null | null |
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