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Thread: Coin Percentages

  1. January 30th 2007, 02:34 PM #1
    Rimas
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    Coin Percentages

    Two players flip three fair coins each.What is the probabililty that they get the same number of heads?
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  2. January 30th 2007, 03:01 PM #2
    Plato
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    The probability that both toss two exactly two heads is \left[ {{3 \choose 2}\left( {\frac{1}{2}} \right)^3 } \right]^2.

    Now you do for all three other cases and add them up.
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