Saved Suppose that the index model for stocks A and B is estimated from excess returns with the following results: RA= 2.8 % + 1.00RM + eA RB = -1% + 1.3RM + eB OM = 18%; R-squareд = 0.27; R-squareg = 0.13 Assume you create portfolio P with investment proportions of 0.70 in A and 0.30 in B. 1. What is the standard deviation of the portfolio? (Do not round your intermediate calculations. Round your answer to 2 decimal places.) Standard deviation Help Save & Exit 2. What is the beta of your portfolio? (Do not round your intermediate calculations. Round your answer to 2 decimal places.) Portfolio beta Covariance 3. What is the firm-specific variance of your portfolio? (Do not round your intermediate calculations. Round your answer to 4 decimal places.) Firm-specific 4. What is the covariance between the portfolio and the market index? (Do not round your intermediate calculations. Round your answer to 3 decimal places.)

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