Suppose you observe the following situation: State of Economy Probability of State Rate of Return if State Occurs Stock A Stock B Recession 0.15 0.09 0.07 Normal 0.55 0.12 0.12 Irrational exuberance 0.30 0.47 0.27 a. Calculate the expected return on each stock. (Round the final answers to 2 decimal places.) Expected Return Stock A % Stock B % b. Assuming the capital asset pricing model holds and stock A's beta is greater than stock B's beta by 0.75, what is the expected market risk premium? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Expected market risk premium %

Youve observed the following returns on Regina Computers stock over the past five years: 11%, 11%, 18%, 23%, and 10%.

a. What was the arithmetic average return on Reginas stock over this five-year period? (Round the final answer to 1 decimal place.)

Average return %

b-1. What was the variance of Reginas returns over this period? (Do not round intermediate calculations. Round the final answer to 5 decimal places.)

Variance

b-2. What was the standard deviation of Reginas returns over this period? (Do not round intermediate calculations. Round the final answer to 1 decimal place.)

Standard deviation %