Looking for a solution to this: Asset A has an expected return of 11.2 percent and a standard deviation of 44.2 percent per year. Asset B has an expected return of 16.2 percent and a standard deviation of 63.2 percent per year.
Part a. What is the expected return on a portfolio composed of 28 percent of Asset A and 72 percent of Asset B?
Part b. If the correlation between the returns of Asset A and Asset B is .23, what is the standard deviation of the portfolio described in part (a)?