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Probability of Employee Population and Wages

Problem 2: In the population of employee of problem 1, the average annual wage was $50,000 and the variance was $9000
Using the features of the Standard Normal Distribution, estimate:
(1) The range of wages of 95.44% of the employee?
(2) The range of wages of 99.74% of the employee?

Solution Summary

The probability of average annual wages is given. The standard normal distribution are estimated.