Stock $1$ has an expected return of $4\%$ and a standard deviation of $38\%.$ Stock $2$ has an expected return of $11\%$ and a standard deviation of $23\%.$ Their correlation is $0\mathrm{.}17.$

You invest $30\%$ in stock $1$ and $70\%$ in stock $2.$

What is the variance of the portfolio?What is the standard deviation of the portfolio?