percent of all programmers have both experienced some form of wrist pain from

# Percent of all programmers have both experienced some

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percent of all programmers have both experienced some form of wrist pain from typing and taken aspirin on a daily basis. a) What is the probability that a programmer who has wrist pain takes aspirin on a daily basis? b) What is the probability that a programmer who takes aspirin on a daily basis has wrist pain? c) What is the probability that a programmer does not have wrist pain and does not take aspirin on a daily basis? d) What is the probability that a programmer has wrist pain or he takes aspirin on a daily basis?

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Question 3 – Trainees A company hires management trainees for entry level sales positions. Past experience indicates that only 10% will still be employed at the end of 9 months. Assume the company recently hired 6 trainees. a) What is the probability that three of the trainees will still be employed at the end of 9 months? b) What is the probability that at least two of the trainees will still be employed at the end of 9 months? c) What is the expected number of the trainees that will still be employed at the end of 9 months?
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