# Thread: Binomial vs negative binomial

1. ## Binomial vs negative binomial

Can anyone please explain when to use a binomial probability as opposed to a negative binomial probability. They seem to be identical except for the fact that in a negative prob. you subtract a 1.

2. Originally Posted by lllll
Can anyone please explain when to use a binomial probability as opposed to a negative binomial probability. They seem to be identical except for the fact that in a negative prob. you subtract a 1.
Read this. The last dot point under properties is a pretty significant difference between the two.