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26 November, 15:08

Two regular six-sided dice are rolled. what is the probability that the sum will be at least 9?

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  1. 26 November, 16:18
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    The possible numbers when two dice are rolled is 2-12incusive

    Of these only 4 and 9 are perfect squares

    The probability 4 is rolled is 3/36

    The probability that a 9 is rolled is 4/36

    So p (4 or 9)

    3/36 + 4/36

    = 7/36
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