試題詳解

Problem 4. (2.5 %) Which of the following statement is NOT true?
(A) If A ⊂ B, then P(A）≤ P(B）.
(B) If P(B）＞ 0, then P(A|B) ≥ P(A）.
(C) P(A∩B) ≥ P(A）+P(B） - 1.
(D) P(A∩B^c) = P(AUB) - P(B）.