Given for stock fund
E(Rs) = 20%
SD(Rs) = 35%
For bond funs
E(Rb) = 11%
SD(Rb) = 15%
CORR(s,b) = 0.09
a). For minimum variance portfolio of two risky assets, weight is calculated using following formula
where CovAB = Corr(A,B)*SD(A)*SD(B)
So, Ws = (0.15^2 - 0.09*0.15*0.35)/(0.15^2 + 0.35^2 - 2*0.09*0.15*0.35) = 0.131132
& Wb = 1-0.13 = 0.868868
So portfolio invested in stock = 13.1132%
And Portfolio invested in bond = 86.8868%
b). Expected return of portfolio is weighted average return = 0.868868*11 + 0.131132*20 = 12.1802%
Standard deviation = Sqrt(SD(Rs)^2*Ws^2 + SD(Rb)^2*Wb^2 + 2*SD(Rs)*SD(Rb)*Ws*Wb*CORR(s,b))
SD(P) = Sqrt((0.35^2)*(0.131132^2) + (0.15^2)*(0.868868^2) + 2*0.35*0.15*0.131132*0.868868*0.09) = 14.2018%
A pension fund manager is considering three mutual funds. The first is a stock fund, the...
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