Compute P(A∩B), if P(B) = 0.8 and P(AǀB) = 0.35

Given: P(B) = 0.8 and P(AǀB) = 0.35 We know that by definition of conditional probability, => P(AǀB) = [P(A∩B)]/P(B) Now by substituting the values we get, => P(A∩B) = 0.35 × 0.8 = 0.28

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