a. Calculate the expected return for Stocks A and B. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)

b. Calculate the standard deviation for Stocks A and B. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)

Rate of Return If State Occurs State of Probability of Economy Economy Recession Normal Boom State of Stock A Stock B .15 61 24 04 .07 -12 -.15 -14 31