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Let A and B be two events and P (A') = 0...

Let A and B be two events and `P (A') = 0.3, P (B) = 0.4, P ( A nn B') = 0.5,` then `P (A uu B') ` is

A

`0.5`

B

`0.8`

C

`1`

D

`0.1 `

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The correct Answer is:
B
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