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Question: If \(P ( A ) = 0.4 , P ( B ) = x , P ( A \cup B ) = 0.7\) and the events A and B are independent, t...

If P(A)=0.4,P(B)=x,P(A∪B)=0.7P ( A ) = 0.4 , P ( B ) = x , P ( A \cup B ) = 0.7 and the events A and B are independent, then x =

A

13\frac { 1 } { 3 }

B

12\frac { 1 } { 2 }

C

23\frac { 2 } { 3 }

D

None of these

Answer

12\frac { 1 } { 2 }

Explanation

Solution