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Evian, CFA2020-09-01 17:46:37
Evian, CFA同学你好，
A is correct.
Two events, A and B, are independent if and only if P(A|B)=P(A) or, equivalently, P(A|B)=P(B). The wording of the question precludes P(A)=P(B); therefore, responses B and C cannot be correct.
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