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Probability that an employee selected at random

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For questions a and b, suppose that the population of annual health care claims by employees is normally distributed with a mean of $9,500 and a standard deviation of $3,000.

a) What is the probability that an employee selected at random has health care claims exceeding $11,000?

b) Suppose that five employees are selected at random. What is the probability that the average health care claims of these five employees exceed $11,000?

c) Suppose that five employees are selected at random. What is the probability that all five of their health care claims each exceeds $11,000?

Reference no: EM132501563

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