Assume that adults have iq scores that are normally

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Assume that adults have IQ scoresthat are normally distributed with a mean of 100 and a standard deviation of 15 (as on the Wechsler test). Find the probability that a randomly selected adult has an IQ between 90 and 120 (somewhere in the range of normal to bright normal).

What is the formula that you would use? Please solve and show your work.

Reference no: EM13610961

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