Problem 3.15 page 37 Consider an economy with a flat rate tax system Each dollar of income over $5000 is taxed at 20 Income below $5000 is tax free In general T 2 Y 5000 1000 2Y where T is taxes and Y is income Suppose that the population mean income is $20000 and that the population standard deviation of incomes is $8000 All families have at least $5000 of income a find the mean of T b

Find the standard deviation of T c If the population contains 20 million families what is the government s total tax revenue

Beswick company your team is allocated a project involving a major client, the beswick company. although the organization has many clients, this client, and project, is the largest source of revenue and affects the work of several other teams in the organization. the project requires continuous involvement with the client, so any problems with the client are immediately felt by others in the organization. jamie, a member of your team, is the only person in the company with whom this client is willing to deal. it can be said that jamie has:

An insurance company estimates the probability of an earthquake in the next year to be 0.0015. the average damage done to a house by an earthquake it estimates to be $90,000. if the company offers earthquake insurance for $150, what is company`s expected value of the policy? hint: think, is it profitable for the insurance company or not? will they gain (positive expected value) or lose (negative expected value)? if the expected value is negative, remember to show "-" sign. no "+" sign needed for the positive expected value

Consider a treasury bill with a rate of return of 5% and the following risky securities: security a: e(r) = .15; variance = .0400 security b: e(r) = .10; variance = .0225 security c: e(r) = .12; variance = .1000 security d: e(r) = .13; variance = .0625 the investor must develop a complete portfolio by combining the risk-free asset with one of the securities mentioned above. the security the investor should choose as part of her complete portfolio to achieve the best cal would be a. security a b. security b c. security c d. security d