quantitative problem: you are given the following probability distribution for chc enterprises: state of economyprobabilityrate of return strong0.1518% normal0.459% weak0.40-6% what is the stock's expected return? do not round intermediate calculations. round your answer to two decimal places. % what is the stock's standard deviation? do not round intermediate calculations. round your answer to two decimal places. % what is the stock's coefficient of variation? do not round intermediate calculations. round your answer to two decimal places.