What was the risk $($standard deviation$)$ of a portfolio comprised $1/3$rd weighting in the S&P$500,1/3$rd weighting in the NASDAQ, and $1/3$rd weighting in the Bond Fund over the period specified? $($Pick the closest answer$)$

Question $3$ options:

$9\%$

$11\%$

$10\%$

$12\%$