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April 20, 2014

Homework Help: math help

Posted by Sue 6f on Sunday, June 16, 2013 at 10:22pm.

A random sample of size 26 is to be selected from a population that has a mean = 46 and a standard deviation of 15.
(f) What is the probability that the sample mean will be within 6 units of the mean? (Give your answer correct to four decimal places.)

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