Iibheji zemali elinganayo kwitafile yaseFransi: p nentlawulo azitshintshi, i-EV −1.35%, σ ≈ 0.99.

Izibalo ze-roulette · Isalathiso · imizuzu eyi-5

Itheyibhile ye-odds namathuba kwi-roulette

Yonke ibheji eqhelekileyo namathuba ayo, intlawulo, ixabiso elilindelekileyoizibaloIxabiso elilindelekileyoIsiphumo esiphakathi kwibheji nganye ekuhambeni kwexesha elide. −1/37 yebheji kuyo yonke ibheji eqhelekileyo yaseYurophu.Funda yonke → nokutenxa okuqhelekileyo.

Impendulo emfutshane

Zonke iibheji zinexabiso elilindelekileyo elifanayo, −2.70% yebheji. Zahluka kuphela ngamathuba nangosasazo.

iibheji ezidwelisiweyo

I-EV, zonke iibheji

−2.70%

uluhlu lwe-σ

1.00 ukuya ku-5.84

iibheji ezibhengezwayo

nazo yi-2.70%

Indlela yokufunda le tshathi ye-odds ze-roulette

AmathubaizibaloAmathubaIthuba lesiphumo, ukusuka ku-0 ukuya ku-1 okanye ku-0% ukuya ku-100%. Inani elinye: 1/37 = 2.70%.Funda yonke → akuxelela ukuba uphumelela kangaphi; intlawuloimaliIntlawuloOko ibheji ephumeleleyo ikubuyisayo, okuxelwa njengo-“X ku-1” ngaphezulu kwebheji ebuyisiweyo.Funda yonke →, echazwa njengee-odds ze-roulette, ikuxelela ukuba malini; σ ikuxelela ukuba uhambo lunamaqhuma kangakanani. Ikholamu ye-EV iyafana kuyo yonke imiqolo ngokwendlela eyakhiwe ngayo, ngoko itheyibhile ngokwenene yimenyu yokwahlukaizibaloUkwahlukaUmlinganiselo wokuba iziphumo zisasazeke kangakanani zijikeleze ixabiso elilindelekileyo. Kuphezulu kwibheji yenani elinye, kuphantsi kwiibheji zemali elinganayo.Funda yonke → ngexabiso elimiselweyo.

ibhejiigubungelap(ukuphumelela)ihlawulaσ nge-$1

Inani elinye1/372.70%35:15.84

Amanani amabini2/375.41%17:14.09

Umqolo3/378.11%11:13.28

Ikona4/3710.81%8:12.84

Imiqolo emibini6/3716.22%5:12.23

Idazini12/3732.43%2:11.39

Ikholamu12/3732.43%2:11.39

Imali elinganayo18/3748.65%1:11.00

I-EV yi-−$0.027 nge-$1 kuwo wonke umqolo.

Iibheji ezibhengezwayo

Iibheji zecandeloiviliIcandeloIsiqwenga esiqhubekayo sezikhewu evilini, esahlukileyo kwiqela elikwibhodi yokubheja.Funda yonke → ziindibaniselwano zeebheji eziqhelekileyo kwaye zifumana inzuzo yekhasino yazo. Nganye inemo yayo yentlawulo kuba iitshiphuimaliItshiphuUphawu olumele isixa esimiselweyo, olubekwa kwibhodi yokubheja ukwenza ibheji. Kwakhona: check.Funda yonke → zinobunzima obungalinganiyo.

ibheji ebhengezwayoiitshiphuigubungelap(nakuphi na ukuphuma)inzuzo xa iphuma (iiyunithi)I-EV ngeyunithi

Abamelwane (5)55/3713.51%+31−2.70%

Jeu zéro47/3718.92%+14 okanye +32−2.70%

Orphelins58/3721.62%+13 okanye +31−2.70%

Tiers du cylindre612/3732.43%+12−2.70%

Voisins du zéro917/3745.95%+9 okanye +15−2.70%

Ixabiso elilindelekileyo leebheji ezibhengezwayo

Kwimijikelo emininzi

Amathuba okuphuma ubuncinane kanye kwimijikelo engu-k, kwimibuzo embalwa eqhelekileyo.

ibhejikwimijikelo eli-10kwimijikelo engama-37kwimijikelo eli-100

Inani elinye24.0%63.7%93.5%

Amanani amabini42.6%87.1%99.6%

Ikona68.1%98.6%> 99.9%

Idazini98.0%> 99.9%> 99.9%

Iqanda (elithile)24.0%63.7%93.5%

1 − (1 − p)ᵏ.

Usasazo lweseshoni

Ukutenxa okuqhelekileyoizibaloUkutenxa okuqhelekileyo (standard deviation)Ingcambu yesikwere yokwahluka; umgama oqhelekileyo wesiphumo ukusuka kwixabiso elilindelekileyo.Funda yonke → kweseshoni yemijikelo eli-100 nge-$10 ngokulinganayo, ngohlobo lwebheji, kunye nesiphumo esilindelekileyo esabelwana ngaso se-−$27.

σ yemijikelo eli-100 nge-$10$

Inani elinye

$584

Amanani amabini

$409

Umqolo

$328

Ikona

$284

Imiqolo emibini

$223

Idazini / ikholamu

$139

Imali elinganayo

$100

0292$584

Imibuzo

Kutheni i-EV ifana kuwo wonke umqolo?

Kuba yonke intlawulo ingu-36/n − 1 ngokuchasene no-37/n − 1 ofanelekileyo. Jonga iphepha lenzuzo yekhasinoizibaloInzuzo yekhasinoIsabelo sebheji nganye esigcinwa yikhasino ngokomndilili: 2.70% kwi-roulette yaseYurophu.Funda yonke →.

Iphi i-la partage?

Iibheji zemali elinganayoibhejiIbheji yemali elinganayoObomvu/omnyama, angalinganiyo/alinganayo, aphezulu/aphantsi. Amanani ali-18, ihlawula u-1:1.Funda yonke → kwitafile yaseFransi: p nentlawulo azitshintshi, i-EV −1.35%, σ ≈ 0.99.

Ingaba ikhona itheyibhile yevili laseMelika?

Yahlula ngama-38 endaweni yama-37 kwaye ikholamu ye-EV iba yi-−5.26% kuwo wonke umqolo, −7.89% kwibheji yamanani amahlanu.

Uncumo

$Iibheji ezilithoba, ixabiso elinye elilindelekileyo, akukho nkumbulo.$

Iibheji ezilithoba, ixabiso elinye elilindelekileyo, akukho nkumbulo.

Imithombo

Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling. Springer, 2010. Isahluko 13, i-roulette.

ihlolwe ngo-2026-09-28imodeli: yaseYurophu, iqanda elinyeindlela yokusebenza ↗imithombo ↗