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  • A and B are two events such that P (A) ≠ 0. Find P (B|A), if (i) A is a subset of B

Q. 1     A and B are two events such thatP(A)\neq 0. Find P(B\mid A), if

              (i) A is a subset of B

Answers (1)

best_answer

 A and B are two events such thatP(A)\neq 0.

A\subset B

\Rightarrow \, \, \, \, A\cap B=A

P(A\cap B)=P(B\cap A)=P(A)

P(B|A)=\frac{P(B\cap A)}{P(A)}

 P(B|A)=\frac{P( A)}{P(A)}

P(B|A)=1

Posted by

seema garhwal

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