(Answered) The amount of time university professors devote to their

Statistics

The amount of time university professors devote to their jobs per week is normally distributed with a mean of 52 hours and a standard deviation of 6 hours.

1. What is the probability that a professor selected at random works for more than 52 hours per week?

2. Suppose that we select five professors at random. What is the probability that exactly two of them work more than 52 hours per week?

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