7 Problem 11-9 Returns and Standard Deviations (LO2, CFA5) Consider the following information: 1.5 points 8 03:58:26 State of Economy Boom Good Poor Bust Rate of Return if State Occurs Probability of State of Economy Stock A Stock B Stock C B .30 .20 .44 .31 .30 .13 ..20 .13 .20 .03 -.09 -.05 .20 -.05 -.28 -.09 eBook Print a. Your portfolio is invested 15 percent each in Stocks A and Cand 70 percent in Stock B. What is the expected return of the portfolio? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) o Expected return % References b-1. What is the variance of this portfolio? (Do not round intermediate calculations. Round your answer to 5 decimal places.) Variance b-2. What is the standard deviation? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Standard deviation %