Answer:
Option C - Is; Is not
Explanation:
The expected return of a portfolio of risky securities __is____ a weighted average of the securities returns. The standard deviation of a portfolio of risky securities __is not__ a weighted average of the securities standard deviations when the correlation is less than 1
Note:
The expected return of a portfolio of risky securities is a weighted average of the securities' returns.
The standard deviation is the square root of the variance which is a weighted sum of the variance of the individual securities and the covariances between securities.
