Akarorero: Ingendo yo Gutega ku Mirwi Ibiri
Amadolari cumi kuri imwe imwe mu mirwi ibiri, inomero 24 zitegweko, mu kuzunguruka mirongo itanu. Ingendo yo gutega ku mirwi ibiri muri ruleti ni itego ryo gutwikira ritsinda ukuzunguruka kubiri mu gatatu kandi rigacatwara 2,70%.

Igihe c'ugukina co kwigana c'ukuzunguruka 50, $10 ku murwi wa mbere no ku murwi wa kabiri. Amatsinzi mirongo itatu n'rimwe ya $10, ibihombo cumi n'icenda vya $20 (umurwi wa gatatu canke zeru). Ivyavuyemwo nyakuri −$70, inyuma yo kuba warungukiye $90. Itego ryumvikana nk'iritekanye kubera ko ritsinda kenshi, kandi rifise igiciro kimwe neza neza n'ayandi yose.
Umugambi: ingendo yo gutega ku mirwi ibiri muri ruleti
$10 ku murwiitegoUmurwi1–12, 13–24 canke 25–36, riha 2:1.Soma vyose → wa mbere na $10 ku wa kabiri. Inomero kuva kuri 1 gushika kuri 24 iriha umurwi umwe $20 igahomba uwundi $10: +$10. Inomero kuva kuri 25 gushika kuri 36, canke zeruuruzigaZeruAkazu kamwe k'icatsi kibisi kadapfukwa n'itego rya rimwe kuri rimwe, ry'umurwi canke ry'inkingi; ni yo soko y'inyungu ya kazino. Kandi bita: zeru imwe, 0.Soma vyose →, ihomba ayo yose: −$20. Agaciro kitezweimibareAgaciro kitezweIvyavuyemwo vy'impuzandengo kuri buri tego mu gihe kirekire. −1/37 c'amahera y'itego kuri buri tego risanzwe ry'i Buraya.Soma vyose →: (24 × 10 − 13 × 20)/37 = −20/37 = −$0,54 ku kuzunguruka, ni ukuvuga 2,70% vya $20. Igipimo c'amatsinzi ni 64,9%, kandi ico ni co gitigiri kigurisha iryo tego.
Ukuzunguruka 1–25
Amatsinzi cumi n'umunani, ibihombo indwi: +$180 − $140 = +$40. Muri ivyo bihombo indwi harimwo zeru rimwe n'urukurikirane rw'inomero zitatu z'umurwi wa gatatu ku kuzunguruka 11–13 rwatwaye $60 bikurikirana kandi rwumvikanye nk'ikidasanzwe. Yari 35,1% ishikira icarimwe, kandi ivyo birashika.

Ukuzunguruka 26–50
Amatsinzi cumi n'atatu, ibihombo cumi na bibiri: +$130 − $240 = −$110. Ibihombo cumi na bibiri mu kuzunguruka 25 ni ikintu gishika ku 20%, si gake. Impera −$70; hejuru cane +$90 ku kuzunguruka 31. Iryo tego ntiryigeze rizana ihinduka rinini ku ruhande na rumwe, kubera ko itsinzi ari $10 n'igihombo $20; ryaragiye rirya buhoro buhoro gusa.
- p10 −$500
- p25 −$500
- hagati −$280
- p75 −$40
- p90 +$170
Ibiharuro
Amahera yateze yose $1.000 mu kuzunguruka 50. Igihombo citezweimibareIgihombo citezweAgaciro kitezwe gakubwe n'amahera yose yateze; ni amahera y'impuzandengo atakara mu gihe c'ugukina canke mu gihe runaka.Soma vyose → $27; ivyabaye −$70, nka itandukaniro risanzweimibareItandukaniro risanzweUmuzi kare w'ihindagurika ry'ivyavuyemwo; intera isanzwe iri hagati y'ivyavuyemwo n'agaciro kitezwe.Soma vyose → rimwe munsi (σ ku kuzunguruka ni nka $14, rero nka $100 mu kuzunguruka 50). Za $20 nyene kuri gitukuraitegoGitukuraItego rya rimwe kuri rimwe ku nomero 18 zitukura. Mu gifaransa: rouge.Soma vyose → zoba zari zifise icitezwe kimwe na σ nini kurushiriza, nka $140 mu gihe c'ugukina cose: imirwi ibiri ni inzira ifise ihindagurika ry'ivyavuyemwoimibareIhindagurika ry'IvyavuyemwoIgipimo c'ukuntu ivyavuyemwo bikwiragira kure y'agaciro kitezwe. Kinini kuri straight up, gito ku matego ya rimwe kuri rimwe.Soma vyose → rito yo guhomba amahera angana.
Ivyo iki gihe c'ugukina cerekana
Gutwikira inomero 24 bituma ruleti yumvikana nk'umukino ukunda gutsinda, kandi koko uratsinda: 64,9% vy'ukuzunguruka. IrihaamaheraIrihaIvyo itego ritsinze rizana, bivugwa nka “X kuri 1” hiyongereyeko amahera y'itego asubizwa.Soma vyose → ritunganijwe ku buryo 35,1% uhomba igutwara incuro zibiri ivyo amatsinzi ariha, kandi ico gipimo gitunganywa n'ikibaho c'amategoibikoreshoIkibaho c'amategoIkibaho co gutega canditswe ku meza. Kandi bita: ameza, igitambara.Soma vyose → gushika kuri −1/37 vy'amahera y'itego yose. Ongerako jetoniamaheraJetoniIkimenyetso gihagararira amahera adahinduka, gishirwa ku kibaho c'amatego kugira ngo utege. Kandi citwa: check.Soma vyose → kuri zeru nk'“ingurane” maze inyungu ya kazino ivanze iracari 2,70%, kubera ko iyo ngurane na yo ifise igiciro ca 2,70%. Urupapuro “Ikibazo: Imirwi Ibiri na Jetoni Imwe” rurabisobanura intambwe ku yindi.
Ibibazo
Imibare ni imwe: inomero 24, +1 igiceamaheraIgiceAmahera y'itego y'ishingiro uburyo canke umukinyi akoresha. Iyongerekana ridondorwa mu bice kugira ngo rikore ku meza ayo ari yo yose.Soma vyose → iyo ifashe, −2 iyo ihushije. InkingiitegoInkingiInomero cumi na zibiri ziri mu nkingi imwe ihagaze y'ikibaho c'amatego, riha 2:1.Soma vyose → zikwiragiza inomero zitegweko ku ruziga; imirwi izegeranya ku kibaho c'amatego. Nta na kimwe gihindura ikintu.
Itwikira inomero 25; ubu zeru izana +$16 aho kuba −$20, ku giciro ca $1 ku kuzunguruka. Agaciro kitezwe ni −$0,57 kuri $21, biracari 2,70%.
Ni vyo, kandi iriha ritunganijwe ku bijanye na vyo. Kenshi utsinda $10. Rimwe na rimwe uhomba $20. Impuzandengo ni inyungu ya kazinoimibareInyungu ya kazinoIgice c'amahera y'itego kazino igumana ku mpuzandengo: 2,70% muri ruleti y'i Buraya.Soma vyose →.
Agakuru ko gutwenga

Tsinda ukuzunguruka kubiri mu gatatu. Homba incuro zibiri kuri ukwa gatatu. Igisigaye ni 2,70%.
Aho Twakuye
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.