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Assume that adults have IQ scores that are normally distributed with a mean of u = 100 and a standard deviation a =20 Find the probability that a randomly selected adult has an IQ between 84 and 116. Glick to view page 1 of the table. Click to view page 2 of the table The probability that a randomly selected adult has an IQ betwoon 84 and 1 16 is (Type an integer or decimal rounded to four decimal places as needed )