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September 4, 2015

Homework Help: statistics

Posted by Anonymous on Thursday, February 16, 2012 at 7:48pm.

On standard IQ tests, the mean is 120 and the standard deviation is 15. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is less than 120.

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