$**$The probability of an event $\backslash ($ S $\backslash )$ conditioned on $\backslash ($ C $\backslash )$ is $($select all that apply$)$:$**$

$1.\backslash (\backslash$frac$\{$P$($C $|$ S$)\backslash$times P$($S$)\}\{$P$($C$)\}\backslash )$

$2.\backslash (\backslash$frac$\{$P$($S $\backslash$cup C$)\}\{$P$($S$)\}\backslash )$

$3.\backslash (\backslash$frac$\{$P$($S $\backslash$cap C$)\}\{$P$($C$)\}\backslash )$

$4.\backslash (\backslash$frac$\{$P$($S $\backslash$cap C$)\}\{$P$($S$)\}\backslash )$