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    clarissa20's Avatar
    clarissa20 Posts: 1, Reputation: 1
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    #1

    Nov 18, 2008, 08:50 AM
    prob and stats
    suppose you tell someone that you will pay them 100 dollars if they get all tails in four tosses of a coin if they don't they owe you ten dollars what is the probability that you will owe them 100 dollars?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Nov 18, 2008, 09:54 AM

    The probability of you owing $100 is the same as getting four tails in a row, which is (1/2)^4, or 0.0625.

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