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April 19, 2015

Homework Help: statistics

Posted by Anonymous on Tuesday, November 16, 2010 at 7:45pm.

The population mean and standard deviation are given. Find the required probability and determine whether the given sample mean would be considered unusual.
For a sample of n=36, find the probability of a sample mean being less than 12.2 if M=12 and O=0.95

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