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Event _____________ contains elements which are present in A and absent in B.(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 interview.I need to ask this question from Probability in chapter Probability of Mathematics – Class 11

Answer»

The correct ANSWER is (c) A but not B

Easy EXPLANATION: Event “A but not B” contains ELEMENTS which are PRESENT in A but not in B.

It is REPRESENTED by A-B or A∩B’.



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