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2 February, 19:02

bella rolls 2 standard dice 60 times. how many times can she expect the sum of the numbers to be greater than 10?

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  1. 2 February, 22:50
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    Answer: in 5.

    Step-by-step explanation:

    The summ is greater when:

    D1 = 5, D2 = 6

    D1 = 6, D2 = 5

    D1 = 6, D2 = 6

    3 outcomes out of the 36 possible outcomes (6 for each dice, 6*6 = 36) for rolling 2 dice,

    The relative probability is:

    p = 3/36

    Then, in 60 rolls, we can expect that:

    (3/36) * 60 = 5

    In 5 rolls the sum of the numbers is greater than 10.
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