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 over i from 0 to k of (n choose i)<i>*p^i*</i>(1-p)^(n - i), n=100, p=0.6, k=55
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random