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.
D. Essays always contain an introduction, body, and conclusion
“these natural disasters’” should be these natural disasters.
You don’t need to add the ‘ to disasters