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July 28, 2014

Homework Help: statistics

Posted by Kristin on Friday, September 28, 2012 at 4:07pm.

The average temperature in households is 67.6 degrees F. The standard deviation is 4.2 degrees F. A random sample of 51 households is to be selected
What is the probability that the average of this sample will be within 1.4 STANDARD ERRORS of the population mean?

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