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Math urgent

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If two "fair" dice are tossed what is the probability that the sum of their faces will be a multiple of 3? Show or explain how you got your answer?

  • Math urgent -

    possibilities
    make a table
    label 1 through 6 at top
    label 1 through 6 down
    you have 36 boxes
    fill in the sums (1 through 12)
    note symmetry and ease of filling in because every box is one plus the one to the left or above
    a total of 12 of the 36 boxes holds a multiple of 3
    12/36 = 1/3

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