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 (Combinations(1024,i)*(1/2^9)^i*(1-1/2^9)^(1024-i)), i=1 to 1024
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random