JEE Advance - Mathematics Hindi (2017 - Paper 1 Offline - No. 1)
मान लीजिए कि $$X$$ और $$Y$$ दो घटनाएँ हैं, ऐसी कि $$P(X) = {1 \over 3}$$, $$P(X|Y) = {1 \over 2}$$ और $$P(Y|X) = {2 \over 5}$$। तब
$$P(Y) = {4 \over {15}}$$
$$P(X'|Y) = {1 \over 2}$$
$$P(X \cup Y) = {2 \over 5}$$
$$P(X \cap Y) = {1 \over 5}$$
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