If your betting on a coin flip but person a is the banker and person b can quit at any time, does person b have an advantage.(adsbygoogle = window.adsbygoogle || []).push({});

The martingale theory of doubling a losing bet doesn't work if there is a maximum bet. Start at 5 and going to the max of 1000 a person can bet 5,10,20,40,80,160,320,640.

So they can bet 8 times. The odds of losing 8 in a row are 1 in 128.

If there is no maximum bet, and the person can bet 50 times, what are the odds of losing 50 coin flips in a row.

I know it's something like (1/2) to the 50th power. But how does this translate into more usable numbers, such as 1 in whatever?

Would you feel comfortable placing a bet in this scenario?

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# 50 heads in a row

**Physics Forums | Science Articles, Homework Help, Discussion**