February 23, 2017

Homework Help: Stats

Posted by Alley on Monday, December 3, 2012 at 6:40pm.

A survey was conducted to determine the number of hours people listen to the radio. While most of the listening is in the car, it turns out that the mean is 2.5 hours with a standard deviation of 0.75 hours. Find the probability that the sum of 100 values is less than 240.

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