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May 29, 2015

Homework Help: math

Posted by Leanne on Monday, July 14, 2008 at 1:51pm.

at one high school the mean time for running the 100-yard dash is 15.2 seconds with a standard deviation of 0.9 seconds. The times are very close approximated by a normal curve. Find the percent of times that are:
between 15.2 and 16.1 seconds

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