An advertising agency wishes to estimate, with 99% confidence and to within $45, the mean amount small business owners would be willing to pay for a professionally produced web page for their businesses. Assuming a standard deviation of such amounts to be $250, the estimated minimum sample size needed to meet these criteria is about:

Walter wants to deposit $1,500 into a certificate of deposit at the end of each ofthe next 6 years. the deposits will earn 5 percent compound annual interest. ifwalter follows through with his plan, approximately how much will be in his accountimmediately after the sixth deposit is made?

The state in which the manufacturing company you work for is located regulates the presence of a particular substance in the environment to concentrations ≤ x. recently-released, reliable research endorsed by the responsible federal agency conclusively demonstrates that the substance poses no risks at concentrations up to 5x. your company has asked you to consider designing a new process with a waste discharge stream containing up to 2x of the substance. based on the stated conditions, describe this possible.

Which curve shows increasing opportunity cost as you give up more of one option? demand curve bow-shaped curve yield curve indifference curve