Julia finds that she can mail a 10 pound package for $5.10 and a 15 pound package for $8.85. a. 1.5 b. 14 c. 2 d. 5.5 e. 0.75 f. 1.33

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.