$0$

The expected return of a portfolio is $9\mathrm{.}5\%,$ and the risk$-$free rate is $5\%.$ If the portfolio standard deviation is $18\%,$ what is the reward$-$to$-$variability ratio of the portfolio?

$01$:$37$:$04$

Multiple Choice

$0\mathrm{.}47$

$0\mathrm{.}25$

$0\mathrm{.}89$

$0\mathrm{.}75$