f the simple CAPM is valid and all portfolios are priced correctly, which of the situations below is possible? Consider each situation independently, and assume the risk-free rate is 5%.

Scenario 1: Portfolio Expected Return Beta A 17% 0.9 Market 17% 1.0

Scenario 2: Portfolio Expected Return Standard Deviation A 20% 9% Market 15% 17%

Scenario 3: Portfolio Expected Return Beta A 20% 0.9 Market 15% 1.0

Scenario 4: Portfolio Expected Return Beta A 29.0% 2.0 Market 17% 1.0