Amatega yishyura kimwe ku kindi ku meza y'Igifaransa: p n'ubwishyu ntibihinduka, EV −1,35%, σ ≈ 0,99.

Imibare ya Roulette · Inyandiko y'ifashishwa · iminota 5

Imbonerahamwe y'Odds n'Amahirwe muri Roulette

Buri tega risanzwe n'amahirwe yaryo, ubwishyu bwaryo, agaciro gateganyijweimibareAgaciro gateganyijweIgisubizo mpuzandengo kuri buri tega mu gihe kirekire. −1/37 y'itega kuri buri tega risanzwe ry'i Burayi.Soma byose → n'ikinyuranyo gisanzwe.

Igisubizo kigufi

Amatega yose afite agaciro gateganyijwe kamwe, −2,70% by'itega. Atandukanira gusa ku mahirwe no ku kwirakwira.

amatega ari ku rutonde

EV, amatega yose

−2,70%

urugero rwa σ

1,00 kugeza 5,84

amatega avugwa

na yo 2,70%

Uko wasoma iyi mbonerahamwe y'odds za roulette

AmahirweimibareAmahirweAmahirwe y'igisubizo, kuva kuri 0 kugeza kuri 1 cyangwa kuva kuri 0% kugeza kuri 100%. Umubare umwe: 1/37 = 2,70%.Soma byose → akubwira uko utsinda kenshi; ubwishyuamafarangaUbwishyuIbyo itega ryatsinze rigarura, bivugwa nka “X kuri 1” hiyongereyeho itega rigarurwa.Soma byose →, buvugwa nk'odds za roulette, bukubwira ingano; σ ikubwira uko urugendo ruhindagurika. Inkingi ya EV ni imwe kuri buri murongo ku bw'imiterere yayo, bityo imbonerahamwe ni urutonde rw'amahindagurikaimibareIhindagurikaIgipimo cy'uko ibisubizo bikwirakwira kure y'agaciro gateganyijwe. Riri hejuru kuri straight up, hasi ku matega yishyura kimwe ku kindi.Soma byose → ku giciro kimwe kidahinduka.

itegarifatap(intsinzi)ryishyuraσ kuri $1

Straight up1/372,70%35:15,84

Split2/375,41%17:14,09

Street3/378,11%11:13,28

Inguni4/3710,81%8:12,84

Six line6/3716,22%5:12,23

Dazeni12/3732,43%2:11,39

Inkingi12/3732,43%2:11,39

Kimwe ku kindi18/3748,65%1:11,00

EV ni −$0,027 kuri $1 kuri buri murongo.

Amatega avugwa

Amatega y'igice cy'uruzigauruzigaIgice cy'uruzigaUmuheto w'utuzu dukurikirana ku ruziga, bitandukanye n'itsinda ku mbonerahamwe y'amatega.Soma byose → ni uruvange rw'amatega asanzwe, kandi azungura inyungu ya kazino yayo. Buri rimwe rifite imiterere yaryo y'ubwishyu kuko amajetoamafarangaJeto (chip)Jeto ihagarariye amafaranga angana atahinduka, ishyirwa ku mbonerahamwe y'amatega kugira ngo utege. Nanone: check.Soma byose → adashyirwa ku buryo bungana.

itega rivugwaamajetorifatap(gufata uko ari ko kose)inyungu nyayo iyo rifashe (inite)EV kuri buri nite

Abaturanyi (5)55/3713,51%+31−2,70%

Jeu zéro47/3718,92%+14 cyangwa +32−2,70%

Orphelins58/3721,62%+13 cyangwa +31−2,70%

Tiers du cylindre612/3732,43%+12−2,70%

Voisins du zéro917/3745,95%+9 cyangwa +15−2,70%

Agaciro Gateganyijwe k'Amatega Avugwa

Ku mazunguruka menshi

Amahirwe yo gufata nibura rimwe mu mazunguruka k, ku bibazo bike bikunze kubazwa.

itegamu mazunguruka 10mu mazunguruka 37mu mazunguruka 100

Straight up24,0%63,7%93,5%

Split42,6%87,1%99,6%

Inguni68,1%98,6%> 99,9%

Dazeni98,0%> 99,9%> 99,9%

Zeru (yihariye)24,0%63,7%93,5%

1 − (1 − p)ᵏ.

Ikwirakwira ry'imikino

Ikinyuranyo gisanzweimibareIkinyuranyo gisanzweUmuzi wa kare w'ihindagurika; intera isanzwe y'igisubizo uvuye ku gaciro gateganyijwe.Soma byose → cy'umukino w'amazunguruka 100 ku $10 bidahinduka, kuri buri tega, hamwe n'igisubizo giteganyijwe gihuriweho cya −$27.

σ y'amazunguruka 100 ku $10$

Straight up

$584

Split

$409

Street

$328

Inguni

$284

Six line

$223

Dazeni / inkingi

$139

Kimwe ku kindi

$100

0292$584

Ibibazo

Kuki EV ari imwe kuri buri murongo?

Kuko buri bwishyu ari 36/n − 1 ugereranyije n'ubwishyu buboneye bwa 37/n − 1. Reba paji y'inyungu ya kazinoimibareInyungu ya kazinoIgice cya buri tega kazino igumana ku mpuzandengo: 2,70% muri roulette y'i Burayi.Soma byose →.

La partage iri he?

Amatega yishyura kimwe ku kindiitegaItega ryishyura kimwe ku kindiUmutuku/umukara, itabangikanye/ibangikanye, minini/mito. Imibare 18, ryishyura 1:1.Soma byose → ku meza y'Igifaransa: p n'ubwishyu ntibihinduka, EV −1,35%, σ ≈ 0,99.

Hari imbonerahamwe y'uruziga rw'Abanyamerika?

Gabanya kuri 38 aho kuba 37 maze inkingi ya EV ibe −5,26% kuri buri murongo, −7,89% ku itega ku mibare itanu.

Akanya k'urwenya

$Amatega icyenda, agaciro gateganyijwe kamwe, nta kwibuka.$

Amatega icyenda, agaciro gateganyijwe kamwe, nta kwibuka.

Inkomoko

Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling. Springer, 2010. Igice cya 13, roulette.

byasuzumwe 2026-09-28icyitegererezo: uruziga rw'i Burayi, zeru imweuburyo bwakoreshejwe ↗inkomoko ↗