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The annual salaries of employees in a large company are approximately normally distributed with a mean...

The annual salaries of employees in a large company are approximately normally distributed with a mean of $50,000 and a standard deviation of $2000. In a sample of 20 employees, what is the probability their mean salary is greater than or equal to $60,000? (3 decimal places)

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Answer #1

Given:

= 50,000, = 2000, n = 20

find:

             .............Using standard Normal table

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