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.
(5 choose 3)0.5^5+(5 choose 4)0.5^5 + 0.5^5
(5 choose 3)0.5^5+(5 choose 4)0.5^5 + 0.5^5
Natural Language
Math Input
Extended Keyboard
