Plant B is 6\frac{2}{3}6 3 2 6 2 3 inches tall. Plant C is 4\frac{4}{15}4 15 4 4 4 15 inches tall. Plant C is 2 2/5 or 2 6/15 inches (taller or shorter) than Plant B.

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.