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April 17, 2014

Homework Help: statistics

Posted by Diane on Tuesday, March 6, 2012 at 1:29pm.

A company that manufacturers bookcases finds that the average time it takes an employee to build a bookcase is 23 hours with a standard deviation of 8 hours. A random sample of 64 employees is taken. What is the likelihood that the sample mean will be 18 hours or more?

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