Quantitative Problem: You are given the following probability distribution for CHC Enterprises: State of Economy Probability Rateofreturn Strong \begin{tabular}{ll} 0.25 & 18% \\ 0.50 & 10% \\ 0.25 & 6% \end{tabular} Normal Weak 0.25 6% What is the stock's expected return? Do not round intermediate calculations. Round your answer to two decimal places. 8.00% 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