Consider the following information: State of Economy Probability of State of Economy Rate of Return if State Occurs Stock A Stock B Stock C Boom .15 .37 .47 .27 Good .45 .22 .18 .11 Poor .35 −.04 −.07 −.05 Bust .05 −.18 −.22 −.08 a. Your portfolio is invested 20 percent each in A and C, and 60 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.)

Essentials Of Investments
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ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
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Chapter1: Investments: Background And Issues
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Problem 13-10 Returns and Standard Deviations [LO1] Consider the following information: State of Economy Probability of State of Economy Rate of Return if State Occurs Stock A Stock B Stock C Boom .15 .37 .47 .27 Good .45 .22 .18 .11 Poor .35 −.04 −.07 −.05 Bust .05 −.18 −.22 −.08 a. Your portfolio is invested 20 percent each in A and C, and 60 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.)

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