TB MC Qu$.7-36$ Stock X has a standard deviation...

Stock $x$ has a standard deviation of return of $10$ percent. Stock $Y$ has a standard deviation of return of $5$ percent. The correlation coefficient between the two stocks is $0\mathrm{.}5.$ If

you invest $60$ percent of your funds in Stock $x$ and $40$ percent in Stock $Y,$ what is the standard deviation of your portfolio?

Multiple Choice

$5\mathrm{.}3$ percent

$16\mathrm{.}0$ percent

$7\mathrm{.}2$ percent

$9\mathrm{.}8$ percent