NCERT Class XII Mathematics Chapter - - Solutions

© examsnet.com
Question : 100
Total: 101
If P(A|B) > P(A), then which of the following is correct :
Solution:  
P(A|B)>P(A)
⇒
P(A∩B)
P(B)
>P(A)

⇒ P(A ∩ B) > P(A).P(B)
⇒
P(A∩B)
P(A)
>P(B)

⇒P(B|A)>P(B).
© examsnet.com
Go to Question: