Question

Find the probability that a randomly selected adult has an IQ between 110 and 120 (referred to as bright normal).
Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15 (as on the Wechsler test). For a randomly selected adult, find the indicated probability or IQ score. Round IQ scores to the nearest whole number.


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  • CreatedMay 03, 2015
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