A manufacturer of disk drives for notebook com- wants an MTBF of at least 50,000 hours. Recent test 10 units were one failure at 10,000 hours, another results for 25,000 hours, and two more at 45,000 hours. The remaining at were still running at 60,000 hours. Determine the following: units a) Percent of failures b) Number of failures per unit-hour c) MTBF at this point in the testing

Reliable electric is a regulated public utility, and it is expected to provide steady dividend growth of 5% per year for the indefinite future. its last dividend was $6 per share; the stock sold for $50 per share just after the dividend was paid. what is the company’s cost of equity? (do not round intermediate calculations. enter your answer as a percent rounded to 2 decimal places.)

An employer who is considering hiring eva has asked donna, eva’s former supervisor, for a report on eva. in truth, eva’s work for donna has been only average. however, eva is donna’s friend, and donna knows that eva probably will not get the job if she says anything negative about eva, and donna knows that eva desperately needs the job. further, donna knows that if the situation were reversed, she would not want eva to mention her deficiencies. nevertheless, it has been donna’s policy to reveal the deficiencies of employees when she has been asked for references by employers, and she knows that some of eva’s faults may be bothersome to this particular employer. finally, this employer has leveled with donna in the past when donna has asked for a report on people who have worked for him. should donna reveal deficiencies in eva’s past performance? (remember to use one of the three moral theories acceptable for this test to solve this dilemma. any discussion of any personal opinion, religious perspective, or theory other than the moral theories acceptable for this test will result in a score of "0" for this question.)

Acompany manufactures x units of product a and y units of product b, on two machines, i and ii. it has been determined that the company will realize a profit of $3 on each unit of product a and $4 on each unit of product b. to manufacture a unit of product a requires 7 min on machine i and 5 min on machine ii. to manufacture a unit of product b requires 8 min on mchine i and 5 min on machine ii. there are 175 min available on machine i and 125 min available on machine ii in each work shift. how many units of a product should be produced in each shift to maximize the company's profit p?