Quantitative Problem: You are given the following probability distribution for CHC Enterprises: State of Economy Probability. Rate of return 0.2 21% Strong Normal 0.55 10% Weak 0.25 -6% What is the stock's expected return? Round your answer to 2 decimal places. Do not round intermediate calculations. % Show All Feedback What is the stock's standard deviation? Round your answer to two decimal places. Do not round intermediate calculations. % Show All Feedback What is the stock's coefficient of variation? Round your answer to two decimal places. Do not round intermediate calculations. Show All Feedback