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.
{30 \choose 10} (1/4)^{10}(1-1/4)^{(30-10)}
{30 \choose 10} (1/4)^{10}(1-1/4)^{(30-10)}
Natural Language
Math Input
