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If A and B are two events and Anephi,Bne...

If A and B are two events and A`nephi,Bnephi` , then

A

P(A/B)=P(A)`cdot`P(B)

B

P(A/B)=`(P(AcapB))/(P(B))`

C

P(A/B)`cdot`P(B/A)=1

D

P(A/B)=P(A)/P(B)

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If `Anephi` and B`nephi`, then P(A/B)=`(P(AcapB))/(P(B))`
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NCERT EXEMPLAR-PROBABILITY-Probability
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  3. If A and B are two events and Anephi,Bnephi , then

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  8. If P(A)=7/13,P(B)=9/13and P(AcapB)=4/13, then P(A'/B) is equal to

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  10. If A and B are two events with with P(A)=3/5 and P(B)=4/9, then P(A'ca...

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  11. If two events are independent, then

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  12. If A and B be two events such that P(A)=3/8,P(B)=5/8 and P(AcupB)=3/4 ...

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