Annual rate of return of stocks in industry X are approximately normally distributed with a mean of 15% and a standard deviation of 8%. (i) (ii) (iii) What is the probability that a randomly selected stock has an annual rate of return between 9% and 19%? Find the annual rate of return that 74.86% of the stocks with annual rate of return larger than it. Five stocks are randomly selected, find the probability that their maximum annual rate of return is less than 27%.