7-7 The following table shows the annual returns over time for two stocks Excel Probability 0.10 APOPA 2 0.30 040 . 30 24 12 12 010 Expected to 7-5 The market and Stock Jhave the following probability distribution Dacabution Probability 12 13 04 4 15 Calculate the expected rates of return for the market and Stock b Calculate the standard deviations for the market and Stock Calculate the coefficients of variation for the market and Stock