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The probability that atleast one of the events A and B occurs is 0.6 If A and B occur simulataneously with probability 0.2, then P - (A) +P - (B) is equal to A. 0.4 B. 0.8 C. 1.2 D. 1.4 Select the correct answer from above options

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Correct Answer - C Given , P(A∪B)=0.6,P(A∩B)=0.2 ∴P( ˉ A )+P( ˉ B )=[1-P(A)]+[1-P(B)] =2-[P(A)+P(B)] =2-[P(A∪B)+P(A∩B)] =-[0.6+0.2]=1.2

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