Urugero: Ingamba za Roulette za Dazeni Ebyiri
Amadolari icumi kuri buri dazeni muri ebyiri, imibare 24 itegweho, mu mazunguruka mirongo itanu. Ingamba za roulette za dazeni ebyiri ni itega ritwikira ritsinda amazunguruka abiri kuri atatu, kandi rigatwara 2,70%.

Umukino wigana ukuri w'amazunguruka 50, $10 kuri dazeni ya mbere n'iya kabiri. Intsinzi mirongo itatu n'imwe za $10, ibihombo cumi n'icyenda bya $20 (dazeni ya gatatu cyangwa zeru). Igisubizo nyacyo −$70, nyuma yo kuba wari kuri +$90. Itega risa n'iritekanye kuko ritsinda kenshi, kandi rifite igiciro kimwe neza n'andi yose.
Gahunda: ingamba za roulette za dazeni ebyiri
$10 kuri dazeniitegaDazeni1–12, 13–24 cyangwa 25–36, yishyura 2:1.Soma byose → ya mbere na $10 ku ya kabiri. Umubare uri hagati ya 1 na 24 wishyura dazeni imwe $20 ugahombya indi $10: +$10. Umubare uri hagati ya 25 na 36, cyangwa 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 →, uhombya zombi: −$20. Agaciro gateganyijweimibareAgaciro gateganyijweIgisubizo mpuzandengo kuri buri tega mu gihe kirekire. −1/37 y'itega kuri buri tega risanzwe ry'i Burayi.Soma byose →: (24 × 10 − 13 × 20)/37 = −20/37 = −$0,54 kuri buri zunguruka, ari byo 2,70% bya $20. Igipimo cy'intsinzi 64,9%, ari wo mubare ugurisha iri tega.
Amazunguruka 1–25
Intsinzi cumi n'umunani, ibihombo birindwi: +$180 − $140 = +$40. Muri ibyo bihombo birindwi harimo zeru rimwe n'imibare itatu ikurikiranye ya dazeni ya gatatu ku mazunguruka 11–13 yatwaye $60 icyarimwe kandi isa n'idasanzwe. Byari 35,1% ziziye hamwe, kandi ni ko ibiza hamwe bigenda.

Amazunguruka 26–50
Intsinzi cumi n'eshatu, ibihombo cumi na bibiri: +$130 − $240 = −$110. Ibihombo cumi na bibiri mu mazunguruka 25 ni ibintu biba ku 20%, si gake. Icya nyuma −$70; aho cyageze hejuru +$90 ku izunguruka rya 31. Iri tega ntiryigeze ritanga ihindagurika rinini mu cyerekezo icyo ari cyo cyose, kuko intsinzi ari $10 n'igihombo $20; ryagiye risya buhoro.
- p10 −$500
- p25 −$500
- mediane −$280
- p75 −$40
- p90 +$170
Ibaruramari
Amafaranga yose yategewe $1.000 mu mazunguruka 50. Igihombo giteganyijweimibareIgihombo giteganyijweAgaciro gateganyijwe gakubye amafaranga yose yategewe; igihombo mpuzandengo mu mukino umwe cyangwa mu gihe runaka.Soma byose → $27; igisubizo nyacyo −$70, hafi ikinyuranyo gisanzweimibareIkinyuranyo gisanzweUmuzi wa kare w'ihindagurika; intera isanzwe y'igisubizo uvuye ku gaciro gateganyijwe.Soma byose → kimwe munsi (σ kuri buri zunguruka ni nka $14, bityo nka $100 mu mazunguruka 50). $20 zimwe ku mutukuitegaUmutukuItega ryishyura kimwe ku kindi ku mibare 18 y'umutuku. Mu Gifaransa: rouge.Soma byose → zari kugira ibiteganyijwe bimwe na σ nini kurushaho, nka $140 mu mukino wose: dazeni ebyiri ni inzira ifite ihindagurikaimibareIhindagurikaIgipimo cy'uko ibisubizo bikwirakwira kure y'agaciro gateganyijwe. Riri hejuru kuri straight up, hasi ku matega yishyura kimwe ku kindi.Soma byose → rito yo gutakaza amafaranga angana.
Icyo uyu mukino werekana
Gutega ku mibare 24 bituma roulette yiyumvamo nk'umukino utsinda kenshi, kandi koko ni ko bimeze: 64,9% by'amazunguruka. UbwishyuamafarangaUbwishyuIbyo itega ryatsinze rigarura, bivugwa nka “X kuri 1” hiyongereyeho itega rigarurwa.Soma byose → bushyirwaho ku buryo 35,1% uhomba bitwara inshuro ebyiri z'ibyo intsinzi zishyura, kandi icyo kigereranyo gitunganywa n'imbonerahamwe y'amategaibikoreshoImbonerahamwe y'amategaImbonerahamwe yo gutega yanditse ku meza. Nanone: ameza, igitambaro cy'ameza.Soma byose → kikagera kuri −1/37 by'itega ryose. Ongeraho jetoamafarangaJeto (chip)Jeto ihagarariye amafaranga angana atahinduka, ishyirwa ku mbonerahamwe y'amatega kugira ngo utege. Nanone: check.Soma byose → kuri zeru nk'“ubwishingizi”, inyungu ya kazino ivanze iracyari 2,70%, kuko ubwo bwishingizi na bwo bufite igiciro cya 2,70%. Paji Ikibazo: Dazeni Ebyiri na Jeto Imwe ibisobanura birambuye.
Ibibazo
Imibare ni imwe: imibare 24, +1 initeamafarangaIniteItega ry'ibanze uburyo cyangwa umukinnyi akoresha. Impererekane z'amatega zisobanurwa mu nite kugira ngo zikoreshwe ku meza ayo ari yo yose.Soma byose → iyo bifashe, −2 iyo bitafashe. InkingiitegaInkingiImibare cumi n'ibiri iri mu nkingi imwe ihagaze ku mbonerahamwe y'amatega, yishyura 2:1.Soma byose → zikwirakwiza imibare itegweho ku ruziga; dazeni ziyegeranya ku mbonerahamwe y'amatega. Nta na kimwe gifite akamaro.
Bitwikira imibare 25; ubu zeru yinjiza +$16 aho kuba −$20, ku kiguzi cya $1 kuri buri zunguruka. Agaciro gateganyijwe ni −$0,57 kuri $21, biracyari 2,70%.
Ni cyo, kandi ubwishyu bugenwa hakurikijwe ibyo. Igihe kinini utsinda $10. Rimwe na rimwe uhomba $20. Impuzandengo ni inyungu ya kazinoimibareInyungu ya kazinoIgice cya buri tega kazino igumana ku mpuzandengo: 2,70% muri roulette y'i Burayi.Soma byose →.
Akanya k'urwenya

Tsinda amazunguruka abiri kuri atatu. Uhombe inshuro ebyiri kuri irya gatatu. Igisubizo ni 2,70%.
Inkomoko
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.