Dabarar Fisher a roulette

Ƙa'idar kamar yadda aka bayyana ta

Jerin ƙarin cacadabaraJerin ƙarin cacaDuk wata ƙa'ida da ke canza kuɗin caca bisa sakamakon da ya gabata. Jerin ƙarin caca bayan asara yana ɗaga shi bayan an rasa, na bayan nasara kuma bayan an ci.Karanta gaba ɗaya → na Fisher yana maimaita caca ta farko ta ɗaya zuwa ɗaya na asarori huɗu, sannan ya ninka ta sau uku na huɗu masu zuwa, sannan ya sake ninka ta sau uku na huɗu masu biye; nasara tana mayar da kuɗin caca zuwa na farko. Da caca ta farko ta $5, wannan cace-cace huɗu ne na $5, huɗu na $15, sannan huɗu na $45.

Teburin jerin ƙarin caca

Teburin yana nuna cacar da ake buƙata bayan ƙidayar asarori ba tare da tsaiko ba ƙarƙashin ƙa'idar cace-cace huɗu a kowane mataki.

Misali da aka warware

Ku fara da $5 a kan jacacaJaCacar ɗaya zuwa ɗaya (even-money) a kan lambobi ja 18. A Faransanci: rouge.Karanta gaba ɗaya →. Asarori huɗu suna kashe $20, don haka cace-cace na biyar zuwa na takwas $15 ne kowacce. Don haka asarori takwas suna kashe $80; caca ta tara $45 ce, ba kuɗin caca da aka yi nan take bayan asara ta huɗu ba. Idan caca ta tara ta ci, tana samun $45, amma dukan jerin yana nan a baya da $35. Nasara tana mayar da kuɗin caca na gaba zuwa $5, amma ba ta dawo da kowace asara da ta gabata ba.

Farashi da haɗari

A dabaran mai sifilidabaranSifiliRamin kore guda ɗaya da babu cacar ɗaya zuwa ɗaya, ta dozin ko ta ginshiƙi da ke rufe shi; tushen fifikon gidan caca. Ana kuma kiransa: sifili ɗaya, 0.Karanta gaba ɗaya → ɗaya, cacar ɗaya zuwa ɗaya tana faɗi a sakamako 19 cikin 37. Asarori takwas a jere suna da yiwuwalissafiYiwuwaDamar faruwar wani sakamako, daga 0 zuwa 1 ko daga 0% zuwa 100%. Lamba ɗaya: 1/37 = 2.70%.Karanta gaba ɗaya → (19/37)^8, kusan 0.48%, ga jeri ɗaya ƙayyadadde; wasa akai-akai yana ba da dama da yawa ga irin waɗannan jerin. Bayan asarori 12, $260 ya tafi, kuma cacar $135 ta gaba za ta bar jerin a baya da $125 ko da ta ci. Ninka sau uku yana canza haɗari, ba asarar da ake tsammanilissafiAsarar da ake tsammaniƘimar da ake tsammani sau jimillar kuɗin da aka yi caca da su; matsakaicin adadin da ake rasawa a cikin zaman wasa ko wani lokaci.Karanta gaba ɗaya → ta 1/37 a kowace dala da aka saka a Turai ba.

Tambayoyi