You have been asked to create a poster to advertise the spring fling. you have a 3 inch by 5 inch postcard that you want to enlarge. you want the enlargement to be 45 inches long. how wide will it be?

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.