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    Remclane's Avatar
    Remclane Posts: 2, Reputation: 1
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    #1

    Sep 6, 2007, 06:56 PM
    Probabililty of coins
    What is the probability of getting 3 heads in a row on a trick coin where heads comes up twice as often as tails?
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #2

    Sep 6, 2007, 11:25 PM
    In how many throws? Just 3? Then it's 2/3^3
    s_cianci's Avatar
    s_cianci Posts: 5,472, Reputation: 760
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    #3

    Sep 8, 2007, 10:36 AM
    Multiply the individual probabilities: P(1st. Head)*P(2nd head)*P(3rd head). SInce the coin is a trick coin, the P(Head) for any one toss will not be its usual value of 1/2.
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