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 one year ago
I roll a die repeatedly. Find the chance that the first 4 rolls all show different faces, and the 5th roll shows a face that has appeared before.
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 one year ago
I roll a die repeatedly. Find the chance that the first 4 rolls all show different faces, and the 5th roll shows a face that has appeared before. unanswered

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hlpwntd
 one year ago
Best ResponseYou've already chosen the best response.0You have 5 rolls. You want 4 different faces showing and a roll that shows any of the 4 different faces: r1 = 6/6 r2 = 5/6 r3 = 4/6 r4 = 3/6 r5 = 4/6 You want the prb of r1 and r2 and r3 and so on
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