Part $2$ of $3$

Points: $0\mathrm{.}67$ of $2$

$($Related to Checkpoint $7\mathrm{.}1)($Expected rate of retum and risk$)$ B$.$ J$.$ Gautney Enterprises is evaluating a security. One$-$year Treasury bills are currently paying $5\mathrm{.}0$ percent. Calculate the investment's expected return and its standard deviation. Should Gautney invest in this security?

$\backslash$table$[[$Probability$,$Return$],[0\mathrm{.}05,-4\%$