# Math Help - Probably of coin toss

1. ## Probably of coin toss

Hi there,

I'm trying to find out the probability of winning 7 coin tosses in a row without losing (with a 50/50 chance each toss).

2. ## Re: Probably of coin toss

Originally Posted by kittenslayer
I'm trying to find out the probability of winning 7 coin tosses in a row without losing (with a 50/50 chance each toss).
You did not say what 'winning' means.
But in general, the probability of seven heads in a row is $(0.5)^7$.