• (2 dice, 3 dice) -- a Simple Fraction

    From henhanna@gmail.com@21:1/5 to All on Tue Oct 4 15:29:13 2022
    i throw 2 dice, (let P = Product of the numbers i get)
    What is the probability that...
    --- P is a multiple of 5 ?
    --- P is a multiple of 10 ?

    (the same thing with 3 dice)

    pls tell me about another (nice) problem about Coins or Dice.




    (partial Spoiler(s))





    --- P is a multiple of 10 ? ---------------------

    the prob. for both (2 dice, 3 dice) cases are
    (surprisingly) Simple Fractions like 1/2, or 1/4 etc.


    So maybe there's a different (neat) way to look at
    the problem to get at these Simple Fractions directly ( very quickly ) ?


    any ideas? or do you know of other problems whose answers turn out to be Surprisingly simple values (numbers) ?

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