3. Stock X has a beta of 0.7 and Stock Y has a beta of 1.3. The standard deviation of each stock's returns is 20%. The stocks' returns are independent of each other, i.e., the correlation coefficient, r, between them is zero. Portfolio P consists of 50% X and 50% Y. Given this information, which of the following statements is CORRECT? a. Portfolio P has a standard deviation of 20%. b. The required return on Portfolio P is equal to the market risk premium (rM - rRF). c. Portfolio P has a beta of 0.7. d. Portfolio P has a beta of 1.0 and a required return that is equal to the riskless rate, rRF. e. Portfolio P has the same required return as the market (rM). 4. Which of the following statements is CORRECT? a. When diversifiable risk has been diversified away, the inherent risk that remains is market risk, which is constant for all stocks in the market. b. Portfolio diversification reduces the variability of returns on an individual stock. c. Risk refers to the chance that some unfavorable event will occur, and a probability distribution is completely described by a listing of the likelihoods of unfavorable events.