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Assume that adults have IQ scores that are normally with mean of 100 deviation 20 I need to find the probability that a randomly selected

Assume that adults have IQ scores that are normally with mean of 100 deviation 20 I need to find the probability that a randomly selected adult has an IQ between 80 and 120 !!

The probability that a randomly selected adult has an IQ between 80 and 120 is (Type an integer or decimal rounded to four decimal places as needed.)

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