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Since there is a one in six chance of rolling a four on any given roll the probability is 1/6 or 0.16666... or 16.7%. Since each roll is independent the probabilities can be multiplied. For example to roll a four twice in a row is 1/6 x 1/6 or (1/6)^2. Note how quickly the probability drops. So, for a six sided dice the formula for rolling any number N times in row is (1/6)^N.

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Q: What is the probability of rolling a 4 twice in a row with a six-sided die numbered 1 through 6?
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