1. Use the following information to answer questions. What is the portfolio expected return and the portfolio beta if you invest 30% in Security A, 30% in Security B, and 40% in the risk-free asset?
With regard to Securities A and B only, which of the securities has the smaller total risk?
Which security has the smaller systematic risk?
Security Return Standard Deviation Beta
A 15% 8% 1.2
B 12% 14% 0.9
Rf 5%