Iibheji · Ibheji yangaphakathi · plein

Ibheji yenani elinye kwi-roulette

Ibheji yenani elinye kwi-roulette ibeka itshiphu kwinani elinye. Olona phumelelo lunqabileyo etafileni nentlawulo enkulu kakhulu, ngenzuzo yekhasino efanayo ye-2.70% njengazo zonke ezinye.

igubungela

1 / 37

amathuba

2.70%

ihlawula

35:1

inzuzo yekhasino

2.70%

I-EV nge-$1

−$0.027

I-SD nge-$1

5.84

Etafileni · umzekelo: 17

2:1

2:1

2:1

1st 12

2nd 12

3rd 12

1–18

Alinganayo

Obomvu

Omnyama

Angalinganiyo

19–36

Kwivili · phakathi kuka-25 no-34

Intlawulo namathuba ebheji yenani elinye kwi-roulette

Isikhewu esinye kwezingama-37 siyaphumelela: 1/37, okanye 2.70%. Ikhasino ihlawula u-35:1. Intlawulo efanelekileyo kwizikhewu ezingama-37 ibiya kuba ngu-36:1; iyunithi enye engekhoyo yinzuzo yekhasino.

p(ukuphumelela) = 1/37 = 0.0270
I-EV nge-$1 = (1/37)(35) − (36/37)(1) = −1/37 = −$0.0270

Umzekelo webheji

ibheji$10 ku-17

xa kuphuma u-17 (1/37)+$350 uphumelele, ibheji ibuyisiwe

xa kuphuma nantoni na enye (36/37)−$10

isiphumo esilindelekileyo ngomjikelo−$0.27

Ukwahluka

Ilahleko elindelekileyo iyafana nekobomvu, kodwa usasazo lweziphumo alufani. Kwidola nganye ebhejiweyo, ibheji yenani elinye inokutenxa okuqhelekileyo (standard deviation) okumalunga ne-5.84 ngokuchasene ne-1.00 kwibheji yemali elinganayo. Kwimijikelo eli-100 nge-$10, umdlali wobomvu uhlala ephakathi kwe-±$100 kokulindelekileyo; umdlali webheji yenani elinye uhlala ephakathi kwe-±$584.

inani elinye

5.84

ikona (4)

2.84

obomvu (18)

1.00

Iimpawu

Isiphumo sombindi seseshoni yilahleko ezinzileyo; umndilili utsalwa phezulu ziimpumelelo ezinqabileyo zika-35:1.
Ukulinda okulindelekileyo kokuphumelela yimijikelo engama-37, kwaye ukulinda kuthatha ixesha elide kunokuba abantu abaninzi becinga: emva kwemijikelo engama-37 kusekho ithuba le-36% lokungaphumeleli.
Ubuncinane betafile kwiibheji zangaphakathi buhlala buphantsi kwitshiphu nganye, kodwa ubuncinane besixa esipheleleyo kwiibheji zangaphakathi buhlala busebenza.
Ibheji yenani elinye kwi-roulette ibizwa ngokuba yi-plein kwiikhasino zesimbo saseFransi.

Uncumo

Ilahleko elindelekileyo efanayo nobomvu, kunye nosasazo olubanzi kakhulu.