1. An asset has the following possible returns with associated probabilities: Possible returns 20% 18% 8% 0 -6% Probability 0.10 0.45 0.30 0.05 0.10 Security X Security Y Return. Probability Return Probability 30% 0.10 -20% 0.05 20% 0.20 10% 0.25 10% 0.40 Calculate the expected rate of return and the standard deviation of the rate of return. 20% 0.30 5% 0.20 30% 0.30 -10% 0.10 40% 0.10