1.

Event “B but not A” is represented by _____________(a) A∪B(b) A∩B(c) A∩B’(d) A’∩BThe question was posed to me in exam.This interesting question is from Probability in portion Probability of Mathematics – Class 11

Answer»

The correct answer is (d) A’∩B

For explanation: Event “B but not A” contains elements which are PRESENT in B but not in A.

It is REPRESENTED by B-A or B∩A’.



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