The answers should be 9.7% and 25.7% respectively, no idea what pricing model I am suppose to use.

2. If the standard deviation of the market is 18%, what is the expected return of a portfolio that a standard deviation of 12% ? 3. If the standard deviation of the market is 18%, what is the standard deviation of a portfolio that an expected return of 15% ? 2. If the standard deviation of the market is 18%, what is the expected return of a portfolio that a standard deviation of 12% ? 3. If the standard deviation of the market is 18%, what is the standard deviation of a portfolio that an expected return of 15%