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he standard deviation of the market-index portfolio is 15%. Stock A has a beta of 2.00...

he standard deviation of the market-index portfolio is 15%. Stock A has a beta of 2.00 and a residual standard deviation of 25%. a. Calculate the total variance for an increase of 0.20 in its beta. (Do not round intermediate calculations. Round your answer to the 4 decimal places.)

a.calculate total variance=

b. Calculate the total variance for an increase of 3.53% in its residual standard deviation. (Do not round intermediate calculations. Round your answer to the 4 decimal places.) Total variance=

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