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Expected returns and portfolio variance:
You are considering investing in two securities, X and Y. The following data are available for the two securities:
Security X
Security Y
Expected Return
0.10
0.07
Standard deviation of returns
0.08
0.04
Beta
1.10
0.75
A. What happens to the expected return and standard deviation of returns of the portfolio in part a if 70 percent of your funds are invested in Security X and 30 percent of your funds are invested in Security Y?
B. What happens to the expected return and standard deviation of returns of the portfolio in Part a if the following conditions exist?
i) The correlation of returns between Securities X and Y is +1.0.
ii) The correlation of returns between Securities X and Y is 0.
iii) The correlation of returns between Securities X and Y is -0.7.
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