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QUESTION
suppose expected returns standard deviation of stock A B are E(Ra)=0.15 E(Rb)=0.1,Sb=0.
suppose expected returns & standard deviation of stock A & B are E(Ra)=0.15 E(Rb)=0.25.Sa=0.1,Sb=0.2 so calculate expected return & standard deviation of a portfolio that is composed of 40 percent A & 60 percent B when correlation between returns on A & B is 0.5
