Use the table below.

E$($R$)$ Variance$($R$)$

Index Fund $11\mathrm{.}1\%0\mathrm{.}47$

T$-$bills $1\mathrm{.}2\%0\mathrm{.}000$

You invest $61\%$ in the Index Fund and the rest in T$-$bills. What is the volatility of your portfolio?