(Đúng hay sai) P(A∣B) = P(B).P(B∣A)/P(A)

Cho các biến cố \(A\), \(B\) thoả mãn \(0 < {\rm{P}}(A) < 1,0 < {\rm{P}}(B) < 1\).

c) $\text{P}(A\mid B)=\frac{\text{P}\left(B\right)\cdot \text{P}(B\mid A)}{\text{P}\left(A\right)}$