Choose the problem modeled by the picture. a) 1/3 × 3/2 = 3/6 b) 1/4 × 3/6 = 3/24 c) 3/4 × 1/6 = 3/24 d) 1/3 × 3/4 = 3/12

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.