7. Multiple resources and how much to use them Suppose that you own a restaurant and you have to choose how many experienced and novice chefs to hire for the kitchen. An experienced chef can cook 15 meals per hour, while a novice chef can cook only 8 meals per hour. Experienced chefs cost $45 per hour. True or False: If unskilled chefs cost $24 per hour, you are indifferent between hiring skilled and unskilled chefs. True False

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.)

You decide to invest in a portfolio consisting of 25 percent stock a, 25 percent stock b, and the remainder in stock c. based on the following information, what is the expected return of your portfolio? state of economy probability of state return if state occurs of economy stock a stock b stock c recession .16 - 16.4 % - 2.7 % - 21.6 % normal .55 12.6 % 7.3 % 15.9 % boom .29 26.2 % 14.6 % 30.5 %

The 2007 nbi data were analyzed and the results made available oat the fhwa web site. using the fhwa inspection rations, each of the 599,766 highway bridges in the united states was categorized as structurally deficient, functionally obsolete, or safe. about 12% of the bridges were found to be structurally deficient, while 13.5% were functionally obsolete. a. what is the variable of interest to the researchers? b. is the variable of part a quantitative or qualitative?