R$\_($P$)=$x$\_(1)($R$\_(1)+\backslash$beta $\_(1)$F$+\backslash$epsi lon$\_(1)),+$x$\_(2)($R$\_(2)+\backslash$beta $\_(2)$F$+\backslash$epsi lon$\_(2))$

$($Return on stock $1)($Return on stock $2)$

$+$x$\_(3)(()/($bar$)($R$)\_(3)+\backslash$beta $\_(3)$F$+\backslash$epsi lon$\_(3))+$cdots$+$x$\_($N$)(()/($bar$)($R$)\_($N$)+\backslash$beta $\_($N$)$F$+\backslash$epsi lon$\_($N$))$

$($Return on stock $3)($Return on stock N $)$

Multiple Select Question

Select all that apply

Where does uncertainty appear in the given equation?$()/($b$)$

ar $($R$)\_($i$)$

x$\_($i$)$

F

$\backslash$epsi $\_($i$)$