# Question

The average salary for graduates entering the actuarial field is $40,000. If the salaries are normally distributed with a standard deviation of $5000, find the probability that

a. An individual graduate will have a salary over $45,000.

b. A group of nine graduates will have a group average over $45,000.

a. An individual graduate will have a salary over $45,000.

b. A group of nine graduates will have a group average over $45,000.

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