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IF P(A cup B) = 0.8 and P( A cap B) = 0....

IF `P(A cup B) = 0.8 and P( A cap B) = 0.3` then `P(A) +P(B)` is equal to

A

`0.7`

B

`0.9`

C

`0.5`

D

`1.1`

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The correct Answer is:
B
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