Question $21$

A portfolio combines two assets: $x$ and $Y.$ The proportion of Asset $x$ in the portfolio is $25\%,$ and the

proportion of Asset $Y$ is $75\%.$ The standard deviation of Asset $x$ is $6\%$ and the variance of Asset $Y$ is

$2\%.$ Returns of Asset $x$ and Asset $Y$ are positively correlated as far as the correlation coefficient

equals $0\mathrm{.}44.$ What is standard deviation of this portfolio?

$7\mathrm{.}03\%$

$12\mathrm{.}11\%$

$10\mathrm{.}29\%$

$11\mathrm{.}35\%$