If A and B are two events such that P(A) ≠ 0 and P(B | A) = 1, then
It is given in the question that,
A and B are two events where,
And, P (B|A) = 1
∴ 
∴ 
Hence, option A is correct
17
If A and B are two events such that P(A) ≠ 0 and P(B | A) = 1, then
It is given in the question that,
A and B are two events where,
And, P (B|A) = 1
∴
∴
Hence, option A is correct