1. Suppose Wesley? Publishing's stock has a volatility of 60%?, while Addison? Printing's stock has a volatility of 20%. If the correlation between these stocks is 75%?, what is the volatility of the following portfolios of Addison and? Wesley:
a. 100 Addison
b. 75% Addison and 25% Wesley
c. 50% Addison and 50% Wesley
2. The expected return of a portfolio of risky securities is…
A. the weighted sum of the securities' returns
B. the sum of the securities' returns
C. the weighted sum of the securities' variances and co-variances
D. both the weighted sum of the securities' returns, variances and co-variances
E. the weighted sum of the securities' co-variances