Question: A high tech company wants to estimate the mean number of

A high-tech company wants to estimate the mean number of years of college education its employees have completed. A good estimate of the standard deviation for the number of years of college is 1.0. How large a sample needs to be taken to estimate  to within 0.5 of a year with 99% confidence?


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  • CreatedAugust 28, 2015
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