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If P(A) = 0.4 P(B) = x , P(A uu B) = 0.7...

If `P(A) = 0.4 P(B) = x , P(A uu B) = 0.7` and the events A and B are mutually exclusive, then x =

A

`(3)/(10)`

B

`(1)/(2)`

C

`(2)/(5)`

D

`(1)/(5)`

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The correct Answer is:
A
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TARGET PUBLICATION-PROBABILITY-CLASSICAL THINKING(ADDITION THEOREM AND CONDITIONAL PROBABILITY )
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