Question: Normal probability distribution Assuming that the rates of return associated with a given asset investment are normally distributed; that the expected? return,r overbarr, is 18.9%; and that the coefficient of variation,CV, is 0.75?, answer the following questions:
a. Find the standard deviation of? returns,
b. Calculate the range of expected return outcomes associated with the following probabilities of? occurrence: (1) 68%, (2) 95%, (3) 99%.