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An event is hypothesized to occur with probability p. In a sample of n observations, it occurred m times. Demonstrate that the maximum likelihood estimator of p is m/n.
A cell phone company is considering investing in additional cell phone towers. It estimates that if it builds K towers, its benefit in terms of increased profits will be: B(K)=500K-K^2 in millions. Assume each tower costs $20 million to build.
in the spring 2008, Senators John McCain and Hillary Clinton proposed a temporary elimination of the federal gasoline tax, effective only during summer of 2008, in order to help consumers deal with high gasoline price. what does this fact suggest ..
CRA CDs Inc. wants the mean lengths of the "cuts" on a CD to be 135 seconds (2 minutes and 15 seconds). This will allow the disk jockeys to have plenty of time for commercials within each 10-minute segment. What is the standard error of the mean
The cross-tabulation below classifies US states by median household income and by household Gini coefficient (a measure of income inequality). Use the cross-tabulation to answer the questions that follow.
Suppose income declines by 2.85%, how much do I have to cut value in order to maintain existing customers and it begins with being given a regression analysis that has the following:
The local smog control district has agreed to pay to the firm a lump sum of money to provide for the first cost of the equipment and maintenance during its 10-year useful life. At the end of 10 years the equipment, which initially cost $10,000, is..
(Advanced Analysis) Assume that the consumption schedule for a private open economy is such that consumption is as follows: C = 50 + 0.9 Y Assume further that planned investment Ig and net exports Xn are independent of the level of real GDP and const..
On amazon.com, 45 percent of customers pay by American Express credit card. Suppose we have a sample of 5 customers, what is the probability that at least 4 will pay by American Express
Where will the price settle in the long run Remember, all purely competitive firms are theoretically doomed to make only normal profit in the long run. 4. Why is the long-run equilibrium position of a purely competitive firm productively and alloca..
Suppose that under a new law, all businesses must pay a tax equalto 3% of their sales revenue. Assume that this tax is not passed onto consumers. Instead, consumers pay the same prices after the taxis imposed as they did before.
What is the firm's individual supply curve Suppose that the price of typewriters is p = $20. How many typewriters should the firm produce to maximize profit What is the firm's profit at this price For what price does the firm make positive profit
A state meat inspector in Iowa has been given the assignment of estimating the mean net weight of packages of ground chuck labeled "3 pounds." Of course, he realizes that the weights cannot be precisely 3 pounds. A sample of 36 packages reveals th..
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