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.
2 Münzen werfen. P(beide Kopf) . (Antw.: 1/4 .)
2 Münzen werfen. P(beide Kopf) . (Antw.: 1/4 .)
Natural Language
Math Input
Extended Keyboard
