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.
\binom{3}{1} * \binom{40 - 12}{5} / \binom{40}{6}
\binom{3}{1} * \binom{40 - 12}{5} / \binom{40}{6}
Natural Language
Math Input
Extended Keyboard
