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प्रश्न
If P (A|B) > P (A), then which of the following is correct:
विकल्प
P(B|A) < P(B)
P(A ∩ B) < P(A) . P(B)
P(B|A) > P(B)
P(B|A) = P(B)
उत्तर
P(B|A) > P(B)
Explanation:
P(A|B) > P(A)
⇒ `(P(A ∩ B))/(P(B)) > P(A)`
∴ P(A ∩ B) > P(A) . P(B)
or `(P(A ∩ B))/(P(A)) > P(B)`
⇒ `P(B|A) > P(B)`
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