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If A and B are two events, then which on...

If A and B are two events, then which one of the following is/are always true?

A

`P(A nn B) ge P(A)+P(B)-1`

B

`P(A nn B) le P(A)`

C

`P(A' nn B') ge P(A') + P(B') -1`

D

`P(A nn B)=P(A)P(B)`

Text Solution

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The correct Answer is:
D
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