Suppose that the monthly incomes of all employees in Firm A are normally distributed with a mean of $1784.85 and a standard deviation of
Suppose that the monthly incomes of all employees in Firm A are normally distributed with a mean of $1784.85 and a standard deviation of $199.23. If a random sample of 121 employees is selected from Firm A, what is the probability that the mean of the employees in the sample will be greater than $1809.572632 (approximately)? A. 0.0861 B. 0.9156 C. 0.0844 D. 0.9139
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let X be the monthly employces in from A of XUN 178485 199 ...
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Authors: W. Steve Albrecht, James D. Stice, Earl K. Stice
10th edition
324645570, 978-0324645576
