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The monthly earnings of a group of business students are normally distributed with a standard deviation of 510 dollars. A researcher wants to estimate the
The monthly earnings of a group of business students are normally distributed with a standard deviation of 510 dollars. A researcher wants to estimate the mean monthly earnings of all business students. Find the sample size needed to have a confidence level of 95% and a margin of error of 128 dollars. Answer choices are: A) 5 B) 54 C) 61 D) 2
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A Handbook Of Statistical Analyses Using Sas
Authors: Geoff Der, Brian S Everitt
3rd Edition
1584887850, 9781584887850
