Solve draw or write to explane
clue 1: a black line is shorter than a white line clue 2: the white line is shorter than a gray line is the black line longer or shorter than the gray line

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.