Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
sum Binomial[n,k]/k*p^k*(1-p)^(n-k) for k from 1 to n
sum Binomial[n,k]/k*p^k*(1-p)^(n-k) for k from 1 to n
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random