Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard deviation σ=15. Find the probability that a randomly selected adult has an 1Q between 90 and 120 . Click 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 between 90 and 120 is (Type an integer or decimal rounded to four decimal places as needed.)