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10 August, 22:17

If a die is rolled twice what is the probability of rolling a 5 and then a 2?

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  1. 10 August, 22:41
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    1/36 chance

    If you roll a dice once you can get,

    1, 2, 3, 4, 5 or 6.

    If you roll it again you get,

    1,1 - 1,2 - 1,3 - 1,4 - 1,5 - 1,6

    2,1 - 2,2 - 2,3 - 2,4 - 2,5 - 2,6

    3,1 - 3,2 - 3,3 - 3,4 - 3,5 - 3,6

    4,1 - 4,2 - 4,3 - 4,4 - 4,5 - 4,6

    5,1 - 5,2 - 5,3 - 5,4 - 5,5 - 5,6

    6,1 - 6,2 - 6,3 - 6,4 - 6,5 - 6,6

    There are 36 possible combinations. 2/5 only happens once. So, your chance is 1/36.
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