# Probability help .

1. Dec 9, 2011

### R.Clearwater

Probability help.....

If i have a standard 80% chance of wining and 20% chance of losing
than what is the chance of me losing 5 times in a row 10 times in a row
and 20 times in a row.

I would be very grateful if someone can show me how to calculate this on my own.

Thanks

I am trying to figure out the maximum number of divination in the losing direction
so occurrences 500.

2. Dec 9, 2011

### mathman

Re: Probability help.....

Since your chance of losing is .2, the chances of losing k times in a row (assuming independence of the trials) is .2k.

Your last sentence has typos - I can't understand it.