A person is interested in constructing a portfolio. Two stocks are being considered. Let x = percent return for an investment in stock 1, and y = percent return for an investment in stock 2. The expected return and variance for stock 1 are E(x) The expected return and variance for stock 2 are E(y) The covariance between the stock returns is oxy=-5. Compute the correlation coefficient for x and y. Tapez votre rponse... = 8.45% and Var(x) = 20. 3.20% and Var(y) 13.