Shaxda Odds-ka iyo Itimaalka Roulette
Sharad kasta oo caadi ah iyo itimaalkiisa, lacag-bixintiisa, qiimihiisa la filayoxisaabQiimaha la filayoCelceliska natiijada sharad kasta muddada dheer. −1/37 ee sharadka sharad kasta oo Yurub caadi ah.Akhri dhammaan → iyo leexashadiisa caadiga ah.

Dhammaan sharadyadu waxay wadaagaan isla qiimaha la filayo, −2.70% sharadka. Waxay ku kala duwan yihiin oo keliya itimaalka iyo kala-fidsanaanta.
Sida loo akhriyo shaxdan odds-ka roulette
ItimaalkuxisaabItimaalFursadda natiijo, 0 ilaa 1 ama 0% ilaa 100%. Hal lambar: 1/37 = 2.70%.Akhri dhammaan → wuxuu kuu sheegaa inta jeer ee aad guulaysato; lacag-bixintulacagLacag-bixinWaxa sharad guuleystay soo celiyo, oo lagu sheego “X ilaa 1” oo lagu daro sharadka la soo celiyay.Akhri dhammaan →, oo loo sheego odds-ka roulette, waxay kuu sheegtaa inta ay le'eg tahay; σ waxay kuu sheegtaa inta uu safarku gariir badan yahay. Tiirka EV waa isku mid saf kasta qaab ahaan, sidaas darteed shaxdu runtii waa liis kala-duwanaanshoxisaabKala-duwanaanshoCabbir muujinaya sida ballaaran ee natiijooyinku ugu kala firdhsan yihiin qiimaha la filayo agtiisa. Sare hal lambar, hoose sharadyada lacag isle'eg.Akhri dhammaan → ah oo qiime go'an leh.
Call bets
Sharadyada qaybahagiraangirQaybQaanso isku xiran oo godad ah oo giraangirta ku taal, oo ka duwan koox ku taal shaxda sharadka.Akhri dhammaan → waa isku-darka sharadyo caadi ah, waxayna dhaxlaan faa'iidadooda kasiinada. Mid kastaa wuxuu leeyahay qaab lacag-bixin u gaar ah sababtoo ah chips-kalacagChipCalaamad u taagan qadar go'an, oo la dul dhigo shaxda sharadka si sharad loo sameeyo. Sidoo kale: check.Akhri dhammaan → si aan siman ahayn ayaa loo miisaamay.
Dhowr wareeg gudahood
Itimaalka ugu yaraan hal ku dhac k wareeg gudahood, dhowr su'aalood oo caam ah.
Kala-fidsanaanta fadhiga
Leexashada caadiga ahxisaabLeexashada caadiga ahXididka labajibbaarka ee kala-duwanaanshaha; masaafada caadiga ah ee natiijo ay u jirto qiimaha la filayo.Akhri dhammaan → ee fadhi 100 wareeg ah oo $10 joogto ah, sharad kasta, iyadoo natiijada la filayo ee la wadaago ay tahay −$27.
Su'aalo
Sababtoo ah lacag-bixin kastaa waa 36/n − 1 marka la barbar dhigo 37/n − 1 oo caddaalad ah. Eeg bogga faa'iidada kasiinadaxisaabFaa'iidada kasiinadaQaybta sharad kasta ee kasiinadu celcelis ahaan hayso: 2.70% roulette Yurub.Akhri dhammaan →.
Sharadyada lacag isle'eg ahsharadSharad lacag isle'eg ahCasaan/madow, kisi/dhaban, sare/hoose. 18 lambar, wuxuu bixiyaa 1:1.Akhri dhammaan → ee miis Faransiis ah: p iyo lacag-bixintu isma beddelaan, EV −1.35%, σ ≈ 0.99.
U qaybi 38 halkii 37 ah, tiirka EV wuxuu noqdaa −5.26% saf kasta, −7.89% sharadka shanta lambar.
Kaftan yar

Sagaal sharad, hal qiime la filayo, xusuus la'aan.
Ilaha
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.