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LET A and B be the events such that P(A...

LET A and B be the events such that P(A) = 0.3 and `P(A cup B) = 0.8` . If A and B are independent events , then P(B) is :

A

`2/7`

B

`5/7`

C

`1/2`

D

None of these

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The correct Answer is:
B
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