Let P(A) = 7/13, P(B) = 9/13 and P(A ∩ B) = 4/13. Then P(A′|B) is equal to
Given, P(A) = 7/13, P(B) = 9/13 and P(A ∩ B) = 4/13
From Venn diagram,
Hence, 
67
Let P(A) = 7/13, P(B) = 9/13 and P(A ∩ B) = 4/13. Then P(A′|B) is equal to
Given, P(A) = 7/13, P(B) = 9/13 and P(A ∩ B) = 4/13
From Venn diagram,
Hence,