NCERT Class XII Mathematics Chapter - - Solutions
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Question : 49
Total: 101
If A and B are two events such that A ⊂ B and P(B) ≠ 0, then which of the following is correct?
Solution:
When A ⊂ B, then A ∩ B = A.
∴ P ( A | B ) =
=
≥ P ( A )
( ∵ < P ( B ) ≤ 1 , ∴
≥ 1 )
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