Arecent study of the hourly wages of maintenance crew members for major airlines showed that the mean hourly wage was $20.50, with a standard deviation of $3.50. assume the distribution of hourly wages follows the normal probability distribution. we select a crew member at random. use appendix b.3.

Yard tools manufactures lawnmowers, weed-trimmers, and chainsaws. its sales mix and unit contribution margin are as follows. sales mix unit contribution margin lawnmowers 20 % $30 weed-trimmers 50 % $20 chainsaws 30 % $40 yard tools has fixed costs of $4,200,000. compute the number of units of each product that yard tools must sell in order to break even under this product mix.

Afinancial institution, the thriftem bank, is in the process of formulating its loan policy for the next quarter. a total of $12 million is allocated for that purpose. being a full-service facility, the bank is obligated to grant loans to different clientele. the following table provides the types of loans, the interest rate charged by the bank, and the possibility of bad debt as estimated from past experience.type of loaninterest rateprobability of bad debtpersonal.140.10car.130.07home.120.03farm.125.05commercial.100.02 bad debts are assumed unrecoverable and hence produce no interest revenue either. competition with other financial institutions in the area requires that the bank allocate at least 40% of the total funds to farm and commercial loans. to assist the housing industry in the region, home loans must equal at least 50% of the personal, car, and home loans. the bank also has a stated policy specifying that the overall ratio for bad debts on all loans may not exceed .04. formulate this problem as a linear program. define your variables clearly and write all the constraints explaining the significance of each.

Which of the following is an example of an unsought good? a. cameron purchases a new bike. b. jordan buys paper towels. c. taylor buys cupcakes from her favorite bakery. d. riley buys new windshield wipers for her car.