According to the information given below, compute the expected net present value and risk $($standard deviation$)$ of the two$-$project combination and only Z$-$Value that the NPV will be greater than $$50\mathrm{.}000.($Assuming normal distribution$)(25$ p $)$

$\backslash$table$[[,$Expected Value of NPV$,$Standard Deviation,Correlation Coefficient$],[$Project A$,$$$30\mathrm{.}000,$$$32\mathrm{.}000,0\mathrm{.}53],[$Project B$,$$$18\mathrm{.}000,$$$14\mathrm{.}000,$between Project A and B$]]$