Returns and standard deviation of a joint portfolio
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10.6 Suppose the expected returns and standard deviations of stocks A and B are E(RA) = 0.17, E(RB) = 0.27, StdDevA = 0.12, and StdDevB = 0.21, respectively.
a. Calculate the expected return and standard deviation of a portfolio that is composed of 35 percent A and 65 percent B when the correlation between the returns on A and B is 0.6.
b. Calculate the standard deviation of a portfolio that is composed of 35 percent A and 65 percent B when the correlation coefficient between the returns on A and B is 0.6.
c. How does the correlation between the returns on A and B affect the standard deviation of the portfolio?
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The solution shows a thorough solution detailing how to calculate the mean return and standard deviation of a portfolio of two different stocks.
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