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Saturday, June 20, 2009

Puzzle - The Tenth Roll

An ordinary dice (such as used in gambling) has six sides, so the probability that any one side will come out is one out of six, or 1/6.

Suppose your role a certain dice nine times. Each time the 1-dot turns up. What is the probablility that the 1-dot will turn up again onthe next roll? Is it better than 1/6, less than 1/6 or is it still 1/6?

Give your answer here.

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