Quantitative Problem: You are given the following probability distribution for CHC Enterprises: State of Economy Strong Normal Weak Probability 0.20 0.45 0.35 Rate of return 18% 9 -5 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? Round your answer to two decimal places. Do not round intermediate calculations.