Assertion (A) : If E is an event such that P(E) = 1/999, then P(Ē) = 0.001. Reason (R) : P(E) + P(Ē) = 1

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Probability of Complementary Events, Complementary Events in Probability | PadhAiPro

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Assertion-ReasonProbability of Complementary EventsComplementary Events in ProbabilityCBSE PYQ

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