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.
1-0.95^25 - 25(0.05)(0.95)^24 - 12*25(0.05)^2 * (0.95)^23
1-0.95^25 - 25(0.05)(0.95)^24 - 12*25(0.05)^2 * (0.95)^23
Natural Language
Math Input
Extended Keyboard
