a. Assume that adults have IQ scores that are normally distributed with a mean of 99.5 and a standard deviation of 22.8. Find the probability that a randomly selected adult has an IQ greater than 132.7.

b. Assume that when human resource managers are randomly selected, 46% say job applicants should follow up within two weeks. If 10 human resource managers are randomly selected, find the probability that fewer than 3 of them say job applicants should follow up within two weeks.