Question: Only b need help with. Suppose that the index model for stocks A and B is estimated from excess returns with the following results: RA

 Only b need help with. Suppose that the index model for

Only b need help with.

Suppose that the index model for stocks A and B is estimated from excess returns with the following results: RA = 3% + 0.7RM + eA Rp = -2% + 1.2RM + ER OM = 20%; R-squarea = 0.20; R-squareg = 0.12 Assume you create portfolio P with 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 35.80% b. What is the beta of your portfolio? (Do not round your intermediate calculations. Round your answer to 2 decimal places.) Portfolio beta

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