Quantitative Problem: You are given the following probability distribution for CHC Enterprises: State of Economy_ Probability Rate of return Strong 0. 15 2 1% Normal 0.50 10% Weak 0.35 -5% What is the stock's expected return? Do not round intermediate calculations. Round your answer to two decimal places. /o What is the stock's standard deviation? Do not round intermediate calculations. Round your answer to two decimal places. /o What is the stock's coefcient of variation? Do not round intermediate calculations. Round your answer to two decimal places