The following data apply to question $26--32$

A pension fund manager is considering $3$ mutual funds. This first is a stock fund, the second is a long$-$term government and corporate bond fund, and the third is a T$-$bill money market fund that yields a rate of $8\%.$ The probability distribution of the risky funds is as follows

$\backslash$table$[[,$Expected return,Standard deviation$],[$Stock fund $($S$),20\%,30\%$