The index model for stock B has been estimated with the following result: RB = 0.01 + 1.1RM + eB. If sigma M = 0.20 and RB^2 = 0.50, the standard deviation of the return on stock B is A) 0.4111. B) 0.3111. C) 0.1111. D) 0.2111.
Added by Ashley N.
Step 1
Plug in β = 1.1, σM = 0.20, R^2 = 0.50: σB^2 = (1.1^2)(0.2^2) / 0.5 = 0.0484 / 0.5 = 0.0968. Show more…
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