Answer:
portfolio invested in stocks = 73.20%
Portfolio invested in Bond = 26.80%
Expected return on optimal risky portfolio [ E(rp) ] = 9.66%
STD on Optimal Risky portfolio = 30.60%
Explanation:
Correlation between the funds return = 0.16
Determine the portfolio invested in each asset ( using excel )
expected risk premium on stock fund [ E(rps)] = 6%
Expected risk premium on Bond fund [ E(rpb) ] = 1%
std of stock rise premium ( бs) = 40%
std on bond rise premium ( бb) = 20%
correlation between funds [ rp(sb) ] = 0.16
Variance of stock fund ( бs^2 ) = 0.16
variance of bond fund ( бb^2 ) = 0.04
Using excel formula ( as seen in the attached screen shot )
First calculate the covariance of stock and Bond fund = 0.0128
portfolio invested in stocks = 73.20%
Portfolio invested in Bond = 26.80%
Expected return on optimal risky portfolio [ E(rp) ] = 9.66%
STD on Optimal Risky portfolio = 30.60%