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Event _____________ contains elements which are either in A or in B or in both.(a) A or B(b) A and B(c) A but not B(d) B but not AThis question was posed to me in an international level competition.Question is taken from Probability topic in chapter Probability of Mathematics – Class 11

Answer»

The correct answer is (a) A or B

For EXPLANATION I WOULD say: Event “A or B” CONTAINS elements which are either in A or in B or in both. It is also called union of the two sets.



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