Consider two risky securities A and B, as well as a risk-free bond. Their average returns and standard deviations are presented in the table below. The correlation between the Securities A and B is 0.3.   Average Return Standard Deviation   Security A 8% 12%   Security B 13% 20%   Risk-free bond 5% 0%   a) What is the average return and standard deviation of an equally-weighted portfolio in A and B?

Essentials Of Investments
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ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
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Chapter1: Investments: Background And Issues
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Consider two risky securities A and B, as well as a risk-free bond. Their average returns and standard deviations are presented in the table below. The correlation between the Securities A and B is 0.3.

 

Average Return Standard Deviation

 

Security A 8% 12%

 

Security B 13% 20%

 

Risk-free bond 5% 0%

 

a) What is the average return and standard deviation of an equally-weighted portfolio in A and B?

 

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