Question

The expected return of a portfolio of risky securities ______ a weighted average of the securities returns. The standard deviation of a portfolio of risky securities ____ a weighted average of the securities standard deviations when the correlation is less than 1 a. is;is b.is not ;is c.is;is not d.is not; is not

Answer 1

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.