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Probability Problem Sets in Management Trainee Program

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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? What is the probability that the person selected is a female who did attend college?

Sixty percent of the customers of a fast food chain order a hamburger, french fries and a drink. If a random sample of 15 cash register receipts is selected, what is the probability that 10 or more will show that the above three food items were ordered?

Judging from recent experience, 5 percent of the computer keyboards produced by an automatic, high-speed machine are defective. If six keyboards are randomly selected, what is the probability that none of the keyboards are defective?

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The solution discusses the probability problem sets in management trainee program.

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Q1: suppose we have 100 trainees. females: 80;males:20.
number of females attending college: 80*0.9=72.
number of males attended college: ...

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