Intro The following table shows realized rates of return for two stocks. 15% | A B C 1 Year Stock A Stock B 2 1 5% 32 -13% -14% 43 -6% -6% 5 4 5% 28% 5 14% 8% 10% 6% Part 1 - Attempt 2/10 for 10 pts. What is the arithmetic average return for stock B? 3+ decima Submit | Attempt 1/10 for 10 pts. Part 2 What is the variance for stock B? 4+ decima Submit Attempt 1/10 for 10 pts. Part 3 What is the covariance of returns? 4+ decima Submit Part 4 Attempt 1/10 for 10 pts. What is the mean return of a portfolio with 20% invested in stock A and the remainder in stock B (assuming annual rebalancing)? 3+ decima Submit Part 5 Attempt 1/10 for 10 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+ decima Part 6 | Attempt 1/10 for 10 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+ decima Submit Part 7 Attempt 1/10 for 10 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+ decima Submit