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Suppose that the index model for stocks A and B is estimated from excess returns with...

Suppose that the index model for stocks A and B is estimated from excess returns with the following results: RA =0.03 + 0.7RM + eA RB = -0.02 + 1.2RM + eB σM = 0.2 R-squareA = 0.3; R-squareB = 0.25 Assume you create for portfolio Q with investment proportions of 0.50 in P, 0.30 in the market index, and 0.20 in T-bills, portfolio P is composed of 60% Stock A and 40% Stock B. What is the standard deviation of the portfolio Q?

0.4800

0.2556

0.1831

0.2766

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jeff jeffy answered 1 year ago
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