Consider the following information: Rate of Return If State Occurs
State of Probability of
Economy State of Economy Stock A Stock B Stock C
Boom .20 .35 .45 .25
Good .45 .20 .16 .09
Poor .25 −.02 −.05 −.03
Bust .10 −.16 −.20 −.12

a.
Your portfolio is invested 24 percent each in A and C, and 52 percent in B. What is the expected return of the portfolio? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e. g., 32.16.)

b-1. What is the variance of this portfolio? (Do not round intermediate calculations and round your answer to 5 decimal places, e. g., .16161.)
b-2. What is the standard deviation? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e. g., 32.16.)