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Quantitative Problem: You are given the following probability distribution for CHC Enterprises: State of Economy Probability Rate of return 0.25 21% Strong Normal Weak 0.45 0.3 * What is the stock's expected return? Round your answer to 2 decimal places. Do not round intermediate calculations. 7.80 % What is the stock's standard deviation? Round your answer to two decimal places. Do not round intermediate calculations. % What is the stock's coefficient of variation? Round your answer to two decimal places. Do not round intermediate calculations