Hyacinth Macaw invests 68% of her funds in stock I and the balance in stock J. The standard deviation of returns on I is 13%, and on J it is 20%. (Use decimals, not percents, in your calculations.) Calculate the variance of portfolio returns, assuming the correlation between the returns is 1. (Do not round intermediate calculations. Round your answer to 4 decimal places.) Calculate the variance of portfolio returns, assuming the correlation is 0.5. (Do not round intermediate calculations. Round your answer to 4 decimal places.) Calculate the variance of portfolio returns, assuming the correlation is 0. (Do not round intermediate calculations. Round your answer to 4 decimal places.)

EBK CONTEMPORARY FINANCIAL MANAGEMENT
14th Edition
ISBN:9781337514835
Author:MOYER
Publisher:MOYER
Chapter8: Analysis Of Risk And Return
Section: Chapter Questions
Problem 5P
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Hyacinth Macaw invests 68% of her funds in stock I and the balance in stock J. The standard deviation of returns on I is 13%, and on J it is 20%. (Use decimals, not percents, in your calculations.)

    1. Calculate the variance of portfolio returns, assuming the correlation between the returns is 1. (Do not round intermediate calculations. Round your answer to 4 decimal places.)
    2. Calculate the variance of portfolio returns, assuming the correlation is 0.5. (Do not round intermediate calculations. Round your answer to 4 decimal places.)
    3. Calculate the variance of portfolio returns, assuming the correlation is 0. (Do not round intermediate calculations. Round your answer to 4 decimal places.)
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