Consider the following predictions by an analyst on Stock A and S&P 500 (a market portfolio). Compute the Beta of Stock A.

State of Economy S&P 500 Probability of State of Economy 50% 45% 35% Boom Normal Recession Return if State Occurs Stock A 15% 8% 6% -12% 25% -5% State of Economy S&P 500 Probability of State of Economy 50% 45% 35% Boom Normal Recession Return if State Occurs Stock A 15% 8% 6% -12% 25% -5%