# Coin toss problem

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

1. ### Alan ForresterGuest

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