a. What are the expected returns of the two stocks? b. What are the standard deviations of the returns of the two stocks? c. If their correlation is 0.48 , what is the expected return and standard deviation of a portfolio of 77% stock A and 23% stock B? a. What are the expected returns of the two stocks? The expected return for stock A is (Round to three decimal places.) The expected return for stock B is . (Round to three decimal places.) b. What are the standard deviations of the returns of the two stocks? The standard deviation of the return for stock A is (Round to four decimal places.) The standard deviation of the return for stock B is . (Round to four decimal places.) c. If their correlation is 0.48 , what is the expected return and standard deviation of a portfolio of 77% stock A and 23% stock B? The expected return for the portfolio is . (Round to four decimal places.) The standard deviation of the return for the portfolio is . (Round to four decimal places.)