Suppose that the index model for stocks A and B is estimated from excess returns with the following results A- 3.80+ 1.25Ry + A Ra- -1.80 + 1.40 ON- 18 R-squarea0.24, R-aquaren- 0.IN Assume you create portfolo Pwith investment proportions of 0.60 in A and 0.40 in B. a. What is the standard deviation of the portfolio? (Do not round your intermediate calculations. Round your answer to 2 decimal places.) Standard deviation b. What is the beta of your portfolio? (Do not round your intermediate calculations. Round your answer to 2 decimal places.) Porfolo beta

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
Section: Chapter Questions
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Suppose that the index model for stocks A and B is estimated from excess returns with the following results.
- 3.804 + 1.25Ry + ea
Ra- -1.80 + 1.60AM eg
ON- 18: R-square 0.24; R-aquaren 0.16
Assume you create portfollo Pwith investment proportions of 0.60 in A and 0.40 in B.
a. What is the standard deviation of the portfolio? (Do not round your intermediate calculations. Round your answer to 2 decimal
places.)
Ces
Standard deviation
b. What is the beta of your portfolio? (Do not round your intermediate calculations. Round your answer to 2 decimal places.)
iPorfolo beta
Transcribed Image Text:Suppose that the index model for stocks A and B is estimated from excess returns with the following results. - 3.804 + 1.25Ry + ea Ra- -1.80 + 1.60AM eg ON- 18: R-square 0.24; R-aquaren 0.16 Assume you create portfollo Pwith investment proportions of 0.60 in A and 0.40 in B. a. What is the standard deviation of the portfolio? (Do not round your intermediate calculations. Round your answer to 2 decimal places.) Ces Standard deviation b. What is the beta of your portfolio? (Do not round your intermediate calculations. Round your answer to 2 decimal places.) iPorfolo beta
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