Sei Ω= { 1,…,6 } 2 MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacqqHPoWvcqGH9aqpdaGadaqaaiaaigdacaGGSaGaeyOjGWRaaiil aiaaiAdaaiaawUhacaGL9baapaWaaWbaaSqabeaapeGaaGOmaaaaaa a@404C@ der Grundraum für den Wurf zweier Würfel. Dann berechnet die Zufallsvariable X( ( i,j ) )=i+j MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiwamaabm aabaWaaeWaaeaacaWGPbGaaiilaiaadQgaaiaawIcacaGLPaaaaiaa wIcacaGLPaaacqGH9aqpcaWGPbGaey4kaSIaamOAaaaa@4037@ die Augensumme für das Ergebnis ω=( i,j )∈Ω MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacqaHjpWDcqGH9aqpdaqadaqaaiaadMgacaGGSaGaamOAaaGaayjk aiaawMcaaiabgIGiolabfM6axbaa@4011@ .
Das Ereignis „ Augensumme gerade“ läßt sich dann schreiben als A={ Augensumme gerade }={ X≡0mod2 }. MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaWGbbGaeyypa0ZaaiWaaeaacaqGbbGaaeyDaiaabEgacaqGLbGa aeOBaiaabohacaqG1bGaaeyBaiaab2gacaqGLbGaaeiiaiaabEgaca qGLbGaaeOCaiaabggacaqGKbGaaeyzaaGaay5Eaiaaw2haaiabg2da 9maacmaabaGaamiwaiabggMi6kaaicdaciGGTbGaai4Baiaacsgaca aIYaaacaGL7bGaayzFaaGaaeOlaaaa@5437@
Das Ereignis „Augensumme mindestens 10“ kann als A={ X≥10 }={ X=12 }∪{ X=11 }∪{ X=10 } MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaWGbbGaeyypa0ZaaiWaaeaacaWGybGaeyyzImRaaGymaiaaicda aiaawUhacaGL9baacqGH9aqpdaGadaqaaiaadIfacqGH9aqpcaaIXa GaaGOmaaGaay5Eaiaaw2haaiabgQIiipaacmaabaGaamiwaiabg2da 9iaaigdacaaIXaaacaGL7bGaayzFaaGaeyOkIG8aaiWaaeaacaWGyb Gaeyypa0JaaGymaiaaicdaaiaawUhacaGL9baacaqGUaaaaa@53C0@ geschrieben werden.
Sei X i :{ 1,…,6 }→{ 1,…,6 }, X i ( k )=k MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8 qacaWGybWdamaaBaaaleaapeGaamyAaaWdaeqaaOGaaiOoamaacmaa baGaaGymaiaacYcapeGaeyOjGWRaaiilaiaaiAdaa8aacaGL7bGaay zFaaGaeyOKH46aaiWaaeaacaaIXaGaaiila8qacqGHMacVcaGGSaGa aGOnaaWdaiaawUhacaGL9baacaGGSaGaamiwamaaBaaaleaapeGaam yAaaWdaeqaaOWaaeWaaeaacaWGRbaacaGLOaGaayzkaaGaeyypa0Ja am4Aaaaa@4FA2@ die Zufallsvariable die die Augenzahl des i-ten Würfels bei Würfeln mit mehreren unterscheidbaren Würfeln angibt. Dann ist ∑ i X i MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaabuaeaaqa aaaaaaaaWdbiaadIfapaWaaSbaaSqaa8qacaWGPbaapaqabaaabaGa amyAaaqab0GaeyyeIuoaaaa@3B42@ die Zufallsvariable, die die Augensumme angibt, max i X i MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaciyBaiaacg gacaGG4bWaaSbaaSqaaiaadMgaaeqaaOGaamiwamaaBaaaleaaqaaa aaaaaaWdbiaadMgaa8aabeaaaaa@3C15@ die Zufallsvariable, die die maximale Augenzahl angibt und X= ∑ i X i ⋅ 10 i−1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiwaiabg2 da9maaqafabaGaamiwamaaBaaaleaaqaaaaaaaaaWdbiaadMgaa8aa beaaaeaacaWGPbaabeqdcqGHris5aOWdbiabgwSixlaaigdacaaIWa WaaWbaaSqabeaacaWGPbGaeyOeI0IaaGymaaaaaaa@43A2@ die Zahl, deren Ziffern den Würfelergebnissen entsprechen.