Coin toss problem

Discussion in 'Probability' started by Alan Forrester, Nov 21, 2011.

  1. Alan Forrester

    Alan Forrester Guest

    Hello

    Suppose that I have a coin and that when I toss is the probability of
    getting heads is 0.5 and the probability of getting tails is 0.5. I
    toss the coin according to the following rules. If I get more tails
    than heads I stop tossing. Otherwise I toss the coin some fixed number
    of times - N. Does anyone know of a good way to work out the
    probability of getting heads?

    Thanks,
    Alan Forrester
     
    Alan Forrester, Nov 21, 2011
    #1

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