Question Number: #Mat3722

Suppose that A and B are two non-trivial events (i.e. each event happens with non-zero probability) such that  P(A|B)=P(B|A). Which of the following is a sufficient condition for the equation above to hold?

A.) They are mutually exclusive
B.) They are independent
C.) P(A∩B)=P(A).P(B)
D.) NA

Answer is option : A


If A and B are mutually exclusive then P(A∩B)=0, which is a sufficient condition for the equation to be correct.

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Physics | Mathematics |
Studying Product Design & Engineering @ IISc Banglore

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