Teburin damar nasara da yiwuwa a roulette
Kowace caca ta yau da kullum tare da yiwuwarta, biyanta, ƙimar da ake tsammanilissafiƘimar da ake tsammaniMatsakaicin sakamako a kowace caca a cikin dogon lokaci. −1/37 na kuɗin caca a kowace cacar Turai ta yau da kullum.Karanta gaba ɗaya → da standard deviation ɗinta.
Dukkan cace-cace suna da ƙimar da ake tsammani iri ɗaya, −2.70% na kuɗin caca. Sun bambanta ne kawai a yiwuwa da bazuwa.
Yadda ake karanta wannan teburin damar roulette
YiwuwalissafiYiwuwaDamar faruwar wani sakamako, daga 0 zuwa 1 ko daga 0% zuwa 100%. Lamba ɗaya: 1/37 = 2.70%.Karanta gaba ɗaya → tana gaya muku sau nawa kuke cin nasara; biyakuɗiBiyaAbin da cacar da ta ci ke dawowa da shi, ana faɗinsa a matsayin “X zuwa 1” a kan kuɗin cacar da aka mayar.Karanta gaba ɗaya →, wanda ake bayyanawa a matsayin damar roulette, tana gaya muku nawa za ku samu; σ tana gaya muku yadda sakamakon zai riƙa hawa da sauka. Ginshiƙin EV daidai yake a kowane layi bisa tsarin wasan, don haka teburin a zahiri jerin bambancin sakamakolissafiBambancin sakamakoMa'aunin yadda sakamako ke yaɗuwa a kewayen ƙimar da ake tsammani. Yana da girma ga straight up, ƙanƙanta ga cace-cacen ɗaya zuwa ɗaya.Karanta gaba ɗaya → ne a farashi ɗaya tak.
Cace-cacen baki
Cace-cacen sashen dabarandabaranSasheRamuka da ke bin juna a jere a kan dabaran kamar baka, sabanin ƙungiyar lambobi a kan teburin caca.Karanta gaba ɗaya → haɗaɗɗun cace-cace ne na yau da kullum, kuma suna gadon fifikonsu. Kowacce tana da irin biyanta saboda ba a raba tsabobin cacakuɗiTsabar cacaAlamar da ke wakiltar ƙayyadadden adadin kuɗi, wadda ake ajiyewa a kan teburin caca don yin caca. Ana kuma kiranta: check.Karanta gaba ɗaya → daidai ba.
A cikin juye-juye da yawa
Yiwuwar samun aƙalla nasara ɗaya a cikin juye-juye k, don wasu tambayoyi da aka saba yi.
Bazuwar sakamako a zaman wasa
Standard deviationlissafiStandard deviationTushen murabba'i na bambancin sakamako; nisan da sakamako ke yawan yi daga ƙimar da ake tsammani.Karanta gaba ɗaya → na zaman wasa na juye-juye 100 da $10 a kowane juyi ba tare da canji ba, bisa ga caca, tare da sakamakon da ake tsammani na bai ɗaya na −$27.
Tambayoyi
Saboda kowane biya 36/n − 1 ne a maimakon biyan adalci na 37/n − 1. Ku duba shafin fifikon gidan cacalissafiFifikon gidan cacaKason kowane kuɗin caca da gidan caca ke riƙewa a matsakaici: 2.70% a roulette na Turai.Karanta gaba ɗaya →.
Cace-cacen ɗaya zuwa ɗayacacaCacar ɗaya zuwa ɗaya (even-money)Ja/baƙi, mara/cika, manya/ƙanana. Lambobi 18, biya 1:1.Karanta gaba ɗaya → a teburin Faransa: p da biya ba su canja ba, EV −1.35%, σ ≈ 0.99.
Ku raba da 38 maimakon 37, sai ginshiƙin EV ya zama −5.26% a kowane layi, da −7.89% ga cacar lambobi biyar.
Ɗan barkwanci
Cace-cace tara, ƙimar da ake tsammani ɗaya, babu ƙwaƙwalwa.
Majiyoyi
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.