Intro The following table shows realized rates of return for two stocks. A B 1 Year Stock A Stock B 2 1 5% 15% 3 2 -15% -14% 4 3 -6% -2% 5 4 5% 28% 6 5 14% 8% 7 6 19% 3% Part 5 Attempt 1/10 for 7.1 pts. What is the standard deviation of a portfolio with 20% invested in stock A and the remainder in stock B (assuming annual rebalancing)? 3+ decimals Submit Part 6 Attempt 1/10 for 7.1 pts. What is the mean return of a portfolio with 60% invested in stock A and the remainder in stock B (assuming annual rebalancing)? 4+ decimals Submit Part 7 Attempt 1/10 for 7.1 pts. What is the standard deviation of a portfolio with 60% invested in stock A and the remainder in stock B (assuming annual rebalancing)? 3+ decimals Submit