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  1. #1
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    Dice

    If 2 six sided dice are tossed. What is the probability that the sum is 2 or 12?
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  2. #2
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    Quote Originally Posted by gretchen View Post
    If 2 six sided dice are tossed. What is the probability that the sum is 2 or 12?
    It is the probability of 2 PLUS the probability of 12.

    The only possible case of getting a 2 is {1,1}. The probability of doubles 1's is 1/36=(1/6)(1/6).
    Similiarly the probability of getting a 12 is 1/36.
    The sum is,
    1/36+1/36=2/36=1/18
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