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9. Returns and Standard Deviations Consider the following information: State of Economy Probability of State of Economy Stock A Stock B Stock C Boom Good Poor Bust .15 .45 .30 Rate of Return if State Occurs .10 .35 .16 -.01 -.10 .40 .17 -.03 -.12 .28 .09 .01 -.09 a. Your portfolio is invested 30 percent each in A and C and 40 percent in B. What is the expected return of the portfolio? b. What is the variance of this portfolio? The standard deviation?

9. Returns and Standard Deviations Consider the following information: a. Your portfolio is invested 30 percent each in A and C and 40 percent in B. What is the expected return of the portfolio? b. What is the variance of this portfolio? The standard deviation