February 21, 2017

Homework Help: Statistics

Posted by Anonymous on Tuesday, February 14, 2012 at 8:27pm.

On standard IQ tests, the mean is 120 and the standard deviation is 18. 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 156.

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