Question 20 1 pts When considering the riskiness of assets as part of a well-diversified portfolio, the appropriate measure of risk is O the difference between the expected return and the standard deviation of return for the asset. O the standard deviation of the asset's returns. O the coefficient of variation of the asset's returns. the covariance of the asset's returns with the other assets' returns in the portfolio. 1 pts Question 21 MacBook Air