Expected return A stock's returns have the following distribution: Demand for the Probability of This Rate of Return If This Companys Products Demand Occurring Demand Occurs Weak 0.1 (50 %) Below average 0.2 (5) Average 0.4 16 Above Average 0.2 25 Strong 0.1 60 1.0 Calculate the stock's expected return, standard deviation, and coefficient of variation