The expected returns and standard deviation of returns for two securities are as follows:
|Security Z||Security Y|
The correlation between the returns is +0.25.
a) Calculate the expected return and standard deviation for the following portfolios:
i) All in Z
ii) 0.75 in Z and 0.25 in Y
iii) 0.5 in Z and 0.5 in Y
iv) 0.25 in Z and 0.75 in Y
v) All in Y
b) Draw the mean-standard deviation frontier.
c) Which portfolios might not be held by an investor who likes high expected return and low standard deviation?
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