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    kat4636's Avatar
    kat4636 Posts: 1, Reputation: 1
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    #1

    Apr 26, 2007, 05:55 PM
    coin toss
    predict the probability of flipping 3 coins and getting all heads or all tails.
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Apr 26, 2007, 06:31 PM
    Syujin's Avatar
    Syujin Posts: 10, Reputation: 1
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    #3

    Apr 26, 2007, 07:33 PM
    Actually while in theory it is 1/2 as likley either way but in reality the coin is heavier on the heads side so it is just a tiny bit more likely to land on tails like 4/6

    Syujin
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #4

    Apr 26, 2007, 10:25 PM
    Hah. 4/6 I don't believe. Maybe like 1000/2001... depends on the design of the coin, too.
    asterisk_man's Avatar
    asterisk_man Posts: 476, Reputation: 32
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    #5

    Apr 27, 2007, 06:04 AM
    It would be interesting to do the experiment. I have seen coins where the same side comes up about 99/100 times if you spin the coin and let it come to rest. I think the effect would be much less for flipping. I'm guessing that it's about 55/100 for the heavy side to end up down.

    Kat, run the experiment for us?
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