Question

If P(A) = `1/2`,  P(B) = 0, then P(A|B) is ______.

पर्याय

• 0

• `1/2`

• Not defined

• 1

Answer 1

If P(A) = `1/2`,  P(B) = 0, then P(A|B) is not defined.

Explanation:

P(A) = `1/2` and P(B) = 0

∴ P(A ∩ B) = 0

P(A|B) = `(P(A ∩ B))/(P(B))`

= `0/0`

not defined