Q. 34.0( 1 Vote )

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Answer :

Given P(AB)=0.14,P(A)=0.25,P(B)=0.50

By addition theorem,


P(AB)=P(A)+P(B)-P(AB)


P(AB)=0.75-0.14=0.61


P(both A and B not happening)=1-P(AB)=1-0.61=0.39

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