1. An investment X has probabilities 0.1, 0.2, 0.35, 0.25, and 0.1 of giving returns equal to 40%, 30%, 15%, -5%, and -15%. What is the expected return and the standard deviation of returns of investment X? Another investment Y has the same probability distribution of returns but with returns equal to 30%, 20%, 10%, 5%, and -20%. The correlation between the two investment returns is 0.2. What is the expected return and standard deviation of return from a portfolio where money is divided equally between the two investments