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For any two events A and B associated to...

For any two events A and B associated to a random experiment, `P(A)=0.5,P(B)=0.3` and `P(A∩B)=0.2`. Find P(A∪B).

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We know that,
`P(AuuB)=P(A) + P(B) - P(A nnB)`
`therefore P(AuuB)=0.5+0.3-0.2=0.6`
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