What is the variance for stock B?

What is the covariance of returns?

What is the arithmetic average return for a portfolio with 40% invested in stock A and the remainder in stock B (with annual rebalancing)?

What is the variance of returns for a portfolio with 40% invested in stock A and the remainder in stock B (with annual rebalancing)?

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 -23% -14% 4. 3 -6% -2% 5 4 5% 28% 6 5 14% 8% 7 6 16% 3%