What does the complement rule state?

Group of answer choices

P$($ A$)=$ P$($ A$)$ X $+$ P$($ B$)$

P$($ A$)=$ P$($ A$)-$ P$($ B$)$

CP$($ A$)=$ P$($ A$)$ P$($ B$)$

P$($ A$)=1-$ P $($not A$)$