31. What does equal? A. 640 B. 36 C. 10 D. 120 32. In a management… 1 answer below »

 

 

31. What does   equal? 
A. 640
B. 36
C. 10
D. 120

32. In a management trainee program, 80 percent of the trainees are female, 20 percent male. Ninety percent of the females attended college, 78 percent of the males attended college. A management trainee is selected at random. What is the probability that the person selected is a female who did NOT attend college? 
A. 0.20
B. 0.08
C. 0.25
D. 0.80

33. In a management trainee program, 80 percent of the trainees are female, 20 percent male. Ninety percent of the females attended college, 78 percent of the males attended college. A management trainee is selected at random. What is the probability that the person selected is a female who did attend college? 
A. 0.20
B. 0.08
C. 0.25
D. 0.72

34. In a management trainee program, 80 percent of the trainees are female, 20 percent male. Ninety percent of the females attended college, 78 percent of the males attended college. A management trainee is selected at random. What is the probability that the person selected is a male who did NOT attend college? 
A. 0.044
B. 0.440
C. 0.256
D. 0.801

35. In a management trainee program, 80 percent of the trainees are female, 20 percent male. Ninety percent of the females attended college, 78 percent of the males attended college. A management trainee is selected at random. What is the probability that the person selected is a male who did NOT attend college? 
A. P (male) P (did not attend college | male)
B. P (did not attend college) P (male | did not attend college)
C. P (male) P (did not attend college)
D. P (did not attend college)

36. In a management trainee program, 80 percent of the trainees are female, 20 percent male. Ninety percent of the females attended college, 78 percent of the males attended college. A management trainee is selected at random. What is the probability that the person selected is a female who did attend college? 
A. P (female) P(did not attend college | female)
B. P (did attend college) P (female | did not attend college)
C. P (female) P(did attend college | female)
D. P (did attend college)

37. Three defective electric toothbrushes were accidentally shipped to a drugstore by the manufacturer along with 17 non-defective ones. What is the probability that the first two electric toothbrushes sold will be returned to the drugstore because they are defective? 
A. 3/20 or 0.15
B. 3/17 or 0.176
C. ¼ or 0.25
D. 3/190 or 0.01579

38. An electronics firm sells four models of stereo receivers, three CD decks, and six speaker brands. When the four types of components are sold together, they form a “system.” How many different systems can the electronics firm offer? 
A. 36
B. 18
C. 72
D. 144

39. The numbers 0 through 9 are used in code groups of four to identify an item of clothing. Code 1083 might identify a blue blouse, size medium. The code group 2031 might identify a pair of pants, size 18, and so on. Repetitions of numbers are not permitted, i.e., the same number cannot be used more than once in a total sequence. As examples, 2256, 2562 or 5559 would not be permitted. How many different code groups can be designed? 
A. 5,040
B. 620
C. 10,200
D. 120

40. How many permutations of the two letters C and D are possible? 
A. 1
B. 0
C. 2
D. 8

 

 

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