8-12 (similar to) Question Help Normal probability distribution Assuming that the rates of return associated with a given asset investment are normally distributed that the expected return, 12.6%; and that the coefficient of variation, CV, is 0.84 answer the following questions: a. Find the standard deviation of returns, or b. Calculate the range of expected return outcomes associated with the following probabilities of occurrence: (1) 68%, (2) 95%, (3) 99% a. The standard deviation of retums, or is 1% (Round to three decimal places)