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a
P(A∣B)=0
b
P(B∣A)=0
c
PA′∩B′=PA′PB′
d
P(A∣B)+P(B∣A)=1
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Correct option is C
We know that P(A∪B)=P(A)+P(B)−P(A∩B)⇒P(A)+P(B)−P(A)P(B)=P(A)+P(B)−P(A∩B)⇒P(A)⋅P(B)=P(A∩B)⇒A and B are independent.Similar Questions
The probability of an event A occuring is 0.4 and of B occuring is 0.2. If A and B are mutually exclusive events then the probability of neither A nor B occuring is
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