What$$s the expected returns and standard deviation of the minimum variance portfolio when

the Correletaion between D and E is $\backslash$Rho DE

i$).\backslash$Rho DE $=-1$

ii$).\backslash$Rho DE $=0$

iii$).\backslash$Rho DE $=0\mathrm{.}5$

iv$).\backslash$Rho DE $=0\mathrm{.}3$