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Suppose annual salaries for sales associates from a particular store have a mean of $32,500 and a standard deviation of $2,500.
a. Calculate and interpret the z-score for a sales associate who makes $36,000.
b. Use Chebyshev's theorem to calculate the percentage of sales associates with salaries between $26,250 and $38,750.
c. Suppose that the distribution of annual salaries for sales associates at this store is bell-shaped. Use the empirical rule to calculate the percentage of sales associates with salaries between $27,500 and $37,500.
d. Use the empirical rule to determine the percentage of sales associates with salaries less than $27,500.
Suppose that two firms compete in quantities (Cournot) in a market in which demand is described by P = 260 - 2Q. Each firm incurs no fixed costs but has a constant marginal cost of 20. a. What is the one-period Nash equilibrium market price What is t..
A plant is considering buying a second-hand machine to use as stand-by equipment. The machine costs $3,000 and has an economic life of 10 years, at which time its salvage value is $600; expected annual operating costs are $100.
Qt = 2.5 - 0.3 x Pt + 12 x Mt Where Qt represents the quantity of widgets sold per period t, Pt represents the price of widgets during period t, and Mt represents average household income of customers during period t.
The payouts for the Powerball lottery and their corresponding odds and probabilities of occurrence are shown below. The price of a ticket is $1.00. Find the mean and standard deviation of the payout.
The only difference is that now when two agents agree on (50, 50), each gets 20 as a bonus. What are the Pareto optimal allocations. (An allocation specifies how much each agent ultimately gets.) What the bonus associated with (50, 50) is 60 each.
Consider a Cobb-Douglas production function with three inputs, K is the capital(number of machines), L is labor (nuber of workers) and H is human capital (the number of college degrees among workers) The production fucntion isY=K1/3 L1/3 H1/3
This year 200 workers will lose their jobs, 170 workers will return to the labor force after an absence 1100 workers will voluntaryly leave their jobs, and 50 new workers will enter the labor force. At the same time 726 workers will find jobs, and ..
A firm with market power has an individual consumer demand of Q = 20 - 4P and costs of C = 4Q. What is the optimal price to charge for a block of 20 units
Suppose that the household decides to consume 26,000 in period 1 and 32,000 in period 2. Now suppose that the interest rate falls 50 percent, and the household decides not to borrow or lend at all. Is the household better off or worse off with the..
A monopolist sells in two states and practices price discrimination by charging separate prices in each market. The monopolist produces at constant marginal cost MC = 30. Demand in Market 1 is P1 = 100 -Q1. Market 2 demand is P2= 120 - 2Q2.
What is Harry's price elasticity of demand for good x, denoted "x;px ? From Harry's perspective, is x ordinary, Gien, or neither? What is Harry's income elasticity of demand for good x, denoted "x;I? From Harry's perspective, is x normal, inferior, ..
Suppose there are two firms in a market who each simultaneously choose a quantity. Firm 1's quantity is q1, and firm 2's quantity is q2. Therefore the market quantity is Q = q1 + q2. The market demand curve is given by P = 60 - 4Q.
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