Urugero: Umugoroba wa $100 ku Mutuku
Amadolari ijana, amajeto y'amadolari atanu, umutuku kuri buri zunguruka, n'itegeko ryo guhagarara. Izunguruka ku rindi.

Umugoroba wigana ukuri ku meza y'imbonankubone: amazunguruka agera kuri 60 ya $5 ku mutuku, uhereye ku ngengo y'imari ya $100, ufite imbibi z'igihombo za $50 n'imbibi z'inyungu za $50. Imbibi z'igihombo zawurangije ku izunguruka rya 36. Uyu mukino werekana uko ihindagurika rigaragara mu gihe nyacyo, n'impamvu itegeko ryo guhagarara ari ryo cyemezo cyonyine cyagize akamaro.
Gahunda
Ese hari ingamba za roulette nziza kurusha izindi ufite $100? Nta n'imwe igabanya ikiguzi cy'impuzandengo. Iyo ngengo y'imari ni amafaranga dushobora gutakaza; icyo duhitamo ni ingano y'itega n'amategeko yo guhagarara. Itega $5, 5% by'ingengo y'imari, bituma tugira amatega nka makumyabiri yo guhomba mu ntoki. Imbibi z'igihomboingambaImbibi z'igihomboIngano y'igihombo yemejwe mbere, iyo uyigezeho uhagarika umukino.Soma byose → kuri −$50 n'imbibi z'inyunguingambaImbibi z'inyunguIntego y'inyungu yemejwe mbere, iyo uyigezeho uhagarika umukino.Soma byose → kuri +$50, byemejwe ubu. Igihombo giteganyijweimibareIgihombo giteganyijweAgaciro gateganyijwe gakubye amafaranga yose yategewe; igihombo mpuzandengo mu mukino umwe cyangwa mu gihe runaka.Soma byose → mu mazunguruka 60 ni 60 × $5 / 37 = $8,11. Duteganya kugenda dufite nka $92, kandi ku mahirweimibareAmahirweAmahirwe y'igisubizo, kuva kuri 0 kugeza kuri 1 cyangwa kuva kuri 0% kugeza kuri 100%. Umubare umwe: 1/37 = 2,70%.Soma byose → yumvikana tukaba hagati ya $20 na $170.
Amazunguruka 1–20
R B B R R 0 B R R B R B B B R R B R B R. UmutukuitegaUmutukuItega ryishyura kimwe ku kindi ku mibare 18 y'umutuku. Mu Gifaransa: rouge.Soma byose → inshuro icumi, umukaraitegaUmukaraItega ryishyura kimwe ku kindi ku mibare 18 y'umukara. Mu Gifaransa: noir.Soma byose → icyenda, zeruuruzigaZeruAkazu kamwe k'icyatsi katafatwa n'itega ryishyura kimwe ku kindi, irya dazeni cyangwa iry'inkingi; ni ho inyungu ya kazino ikomoka. Nanone: zeru imwe, 0.Soma byose → imwe: +$50 − $45 − $5 = $0. Asigaye $100. Zeru ku izunguruka rya 6 yatwaye jetoamafarangaJeto (chip)Jeto ihagarariye amafaranga angana atahinduka, ishyirwa ku mbonerahamwe y'amatega kugira ngo utege. Nanone: check.Soma byose → imwe kandi, kuri 1/37, yaje kare gato. Nta kidasanzwe kiri hano. Tunganya nyuma y'amazunguruka makumyabiri.
Amazunguruka 21–36
B B B B B R B B R B B R B B B B. Umukara inshuro eshanu ku ntangiriro, cumi n'eshatu zose hamwe: umutuku gatatu, umukara cumi na gatatu, +$15 − $65 = −$50. Asigaye $50. Iki ni cyo gice gituma abantu bahindura itega ryabo, bakikuba kabiri cyangwa bagahindura ibara. Amahirwe yo kubona umukara inshuro 13 cyangwa zirenga mu mazunguruka 16 ari munsi ya 1%; byagombaga kuba ku muntu runaka muri iri joro. Turi munsi ya $50 ugereranyije n'intangiriro, imbibi z'igihombo zirageze ku izunguruka rya 36, maze turahaguruka.

Amazunguruka 37–60, tutarimo
R B R B, hanyuma R R B R 0 R B R R B R R B B R R B R B R. Umutuku inshuro cumi n'enye, umukara icyenda, zeru imwe: iyo tuguma, +$70 − $45 − $5 = +$20 kandi twari gusigarana $70 ku izunguruka rya 60. Amazunguruka mirongo itatu n'atandatu ku meza y'imbonankubone ni nk'iminota 45. Twagiye dufite $50, turi munsi ya $50, mu gihe ibiteganyijwe byari −$4,86 ku mazunguruka 36. Umutuku inshuro cumi n'eshatu, umukara makumyabiri n'ebyiri, zeru imwe.
- p10 −$100
- p25 −$100
- mediane −$100
- p75 +$0
- p90 +$70
Ibyabaye
Twishyuye nka $5 ku minota 45 ya roulette, wongeyeho $45 z'amahirwe mabi. Umutuku inshuro cumi n'eshatu mu mazunguruka 36 uri munsi cyane ya 17,5 iteganyijwe, kandi kubura umutuku icyenda ugereranyije n'umukara ni −$45 mbere ya zeru. Umugoroba wagenwe n'ihindagurikaimibareIhindagurikaIgipimo cy'uko ibisubizo bikwirakwira kure y'agaciro gateganyijwe. Riri hejuru kuri straight up, hasi ku matega yishyura kimwe ku kindi.Soma byose →; igiciro cyagenwe n'ingano y'itega n'amazunguruka; imbibi z'igihombo zagennye igihe urangirira. Kuguma byari kugarura $20 ku izunguruka rya 60, kandi iyo si impamvu yo kuguma: kugaruka na ko kwari ihindagurika, kimwe n'uruhererekane rw'umukara rwabanjirije.
Ibyo tutakoze
Guhindura itega nyuma y'igihombo (ubwo ni uruhererekane rw'amategaingambaUruhererekane rw'amategaItegeko iryo ari ryo ryose rihindura itega hashingiwe ku bisubizo byabanje. Impererekane mbi ziryongera nyuma yo gutsindwa, inziza nyuma yo gutsinda.Soma byose →, kandi bizamura amafaranga yose yategeweamafarangaAmafaranga yose yategeweAmafaranga yose yategewe mu mukino umwe cyangwa mu gihe runaka, harimo n'intsinzi zongeye gutegwa. Nanone: handle, action.Soma byose →). Guhindura ibara nyuma y'uruhererekane rw'umukara (odds ni zimwe). Kuguma nyuma y'amazunguruka 60 kubera ko “twari hafi kunganya” (ubwo ni ukongera kuganira ku mbibi z'igihombo). Gutega kuri dazeniitegaDazeni1–12, 13–24 cyangwa 25–36, yishyura 2:1.Soma byose → “itari yaje” (inyungu ya kazino ni imwe, ishusho itandukanye). Buri kimwe muri ibi cyari guhindura ishusho y'umugoroba, ariko nta na kimwe cyari guhindura ikiguzi cyawo giteganyijwe.
Ibibazo
Amajeto makumyabiri mu ntoki aho kuba icumi. Umugoroba uramara igihe; ikiguzi kuri buri zunguruka kigabanuka kabiri.
Igihombo giteganyijwe $4,05 aho kuba $8,11. Yego.
Nta cyo rwerekana. Umukara inshuro cumi n'eshatu mu mazunguruka cumi n'atandatu biba nko ku mugoroba umwe kuri 125.
Akanya k'urwenya

Ingano y'itega n'amazunguruka bigena igiciro. Uruziga rwagennye uko twiyumvaga.
Inkomoko
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.