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April 18, 2014

April 18, 2014

Posted by **katie** on Tuesday, April 3, 2012 at 8:31am.

by a certain firm within plus or minus 20USD and with a 99% degree of confidence. From past

experience, the researcher knows that the weekly wages of these employees are normally distributed

with a standard deviation of 40USD. What is the minimum sample size required? [

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