Re: Proof that binomial function is a probability function?
Originally Posted by Marmy
How can I prove that the binomial function is a probability function?
I attached the solution I got from my slides...but I dont understand the 2nd part!
The binomial probability is $\displaystyle P(X=k)=\binom{N}{k}p^kq^{N-k}$ where $\displaystyle q=1-p$