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A fair die is tossed until six is obtained on it. Let X be the number of required tosses, then the conditional

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A fair die is tossed until six is obtained on it. Let X be the number of required tosses, then the conditional probability P(X\(\geq\)5| X\(\geq\)2) is :

(1) 125/216

(2) 11/36

(3) 5/6

(4) 25/36

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1 Answer

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Correct answer is: (4) 25/36

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