Normal probability distribution Assuming that the rates of return associated with a given asset investment are normally distributed; that the expected return, 7, is 18.9%; and that the coefficient of variation, CV, is 0.75; answer the following questions: a. Find the standard deviation of returns, o b. Calculate the range of expected return outcomes associated with the following probabilities of occurrence: (1) 68%, (2) 95%, (3) 99%. c. Draw the probability distribution associated with your findings in parts a and b. 1