The risk$-$free rate is $6\mathrm{.}70\%,$ the market is in equilibrium, and the returns on stocks $x,Y$ and $Z$ are positively, but not perfectly, correlated.

$\backslash$table$[[$Stock$,$Return,$,,$Weight in Fund Q$],[x,9\mathrm{.}70\%,10\mathrm{.}00\%,0\mathrm{.}50,40\%$