Q68Multiple choice
If A and B are such events that P(A) > 0 and P(B) ≠ 1, then P( A′ | B′ ) equals.
- (A)1 – P(A | B)
- (B)1– P( A′ | B) 1–P(A ∪ B)
- (C)P(B')
- (D)P( A′ ) | P( B′ ) 3 4
If A and B are such events that P(A) > 0 and P(B) ≠ 1, then P( A′ | B′ ) equals.