8-1 EXPECTED RETURN A stock's returns have the following distribution: ms Demand for the Company's Products Weak Below average Average Above average Strong Probability of This Demand Occurring 0.1 0.1 0.3 0.3 0.2 1.0 Rate of Return if This Demand Occurs (30%) (14) 20 45 Calculate the stock's expected return, standard deviation, and coefficient of variation