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What is the representation of complementary event of event A?(a) S-A(b) A-S(c) S(d) S+AI got this question by my college director while I was bunking the class.Question is taken from Probability in portion Probability of Mathematics – Class 11

Answer»

The correct choice is (a) S-A

Best EXPLANATION: If the EVENT is A then COMPLEMENTARY event is not A.

Not A MEANS S-A. So, complementary event of event A is represented by A’ = S-A.



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