Mathematics · Probability
If P(A|B) = P(A'|B), then which of the following statements is true?
- 1P(A ∩ B) = 2 P(B)
- 2P(A ∩ B) = 12 P(B)✓
- 3P(A) = 2 P(B)
- 4P(A) = P(A')
Correct answer
P(A ∩ B) = 12 P(B)
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