Kutayika Koyembekezeka
Mtengo woyembekezeka kuchulukitsa ndi ndalama zonse zimene mumabetcha: zimene gawo la masewera limadula pa avareji.

Kutayika koyembekezeka = ndalama zonse zobetchedwa × 1/37. Ndalama zobetcha $10, kuzungulira 100: $1,000 zobetchedwa, $27 kutayika koyembekezeka. Ma progression amabetcha zambiri, choncho amataya zambiri.
Ndalama zonse zobetchedwa, osati ndalama zosewerera
Kutayika koyembekezekamasamuKutayika koyembekezekaMtengo woyembekezeka kuchulukitsa ndi ndalama zonse zobetchedwa; kuchuluka kwapakati kwa ndalama zotayika mu gawo la masewera kapena nthawi inayake.Werengani yonse → kumadalira kuchuluka kwa ndalama zimene zimadutsa pa tebulo, osati kuchuluka kwa zimene munabwera nazo. Ndalama zosewererandalamaNdalama zosewereraNdalama zonse zimene mwazisiyira masewera. Kusamalira ndalama zosewerera ndiko kusankha kuchuluka kwake komwe mungaike pachiopsezo pa betcha lililonse ndi pa gawo lililonse la masewera.Werengani yonse → za $100 zobetchedwanso kambirimbiri zingathe kunyamula $2,000 za ndalama zonse zobetchedwandalamaNdalama zonse zobetchedwaNdalama zonse zobetchedwa mu gawo la masewera kapena nthawi inayake, kuphatikizapo ndalama zopambana zobetchedwanso. Zimatchedwanso: handle, action.Werengani yonse → ndi $54 za kutayika koyembekezeka; ndalama zosewerera za $10,000 zobetchedwa kamodzi pa zofiirabetchaZofiiraBetcha la even-money pa manambala 18 ofiira. Mu Chifalansa: rouge.Werengani yonse → zimanyamula $10,000 za ndalama zonse zobetchedwa ndi $270. Ndalama za kasino ndi msonkho pa magalimoto odutsa, ndipo magalimotowo ndi chipindalamaChipiChizindikiro choimira ndalama yokhazikika, choikidwa pa dongosolo la mabetcha kuti mupange betcha. Chimatchedwanso: check.Werengani yonse → chilichonse pa kuzungulira kulikonse.
Fomula
E[kutayika] = Σ ndalama zobetcha / 37. Kwa wobetcha mofanana chimenecho ndi ndalama zobetcha × kuzungulira / 37. Pa progressionnjiraProgressionLamulo lililonse limene limasintha ndalama zobetcha potengera zotsatira zakale. Maprogression olakwika amazikweza pambuyo poluza, abwino pambuyo popambana.Werengani yonse → ndi ndalama zobetcha za avareji × kuzungulira / 37, ndipo ndalama zobetcha za avareji ndi zokwera kuposa maziko, chifukwa ndalama zobetcha zimakwera pa nthawi zoluza. MartingalenjiraMartingaleProgression yowirikiza betcha pambuyo poluza kulikonse. Onani gawo la Njira kuti mudziwe zimene imachita ndi zimene siimachita.Werengani yonse → kuchokera pa maziko a $10 ndi malire a $500 imakhala pa avareji ya pafupifupi $28 pa kuzungulira pa gawo lalitali, choncho imataya pafupifupi kuwirikiza katatu kuposa kubetcha $10 mofanana, popanda kusintha mwayi wa betcha lililonse.
Liwiro
Matebulo a pompopompo amachita kuzungulira 40–60 pa ola, makasino enieni 30–50, matebulo a liwiro 90 kapena kuposa, matebulo a RNG mofulumira monga mmene mumadinira. Pa ndalama zobetcha zofanana, liwiro ndilo chinthu chachikulu kwambiri chokhudza kutayika koyembekezeka pa ola: kuchoka pa tebulo lochedwa la m’kasino kupita ku tebulo la RNG losewera pa kuzungulira 200 pa ola kumawirikiza kanayi mtengo wa madzulo popanda kusintha mwayi.
Pa chaka chimodzi
Wosewera wanthawi zonse amene amasewera maola awiri pa sabata pa $10 pa tebulo la pompopompo la kuzungulira 50 amazungulira $52,000 pa chaka ndipo amalipira pafupifupi $1,400 za kutayika koyembekezeka pa gudumu la ku Ulaya, $700 pa la ku France, $2,700 pa la ku America. Masamu ndi otopetsa koma mapeto ake si otopetsa: kusankha gudumu ndi tebulo kuli ndi phindu loposa dongosolo lililonse mopanda malire, chifukwa madongosolo ali ndi phindu la zirogudumuZiroKabowo kamodzi kobiriwira kamene betcha la even-money, dazeni kapena mzati siliphimba; gwero la phindu la kasino. Imatchedwanso: ziro imodzi, 0.Werengani yonse → ndendende.
Masewera ofunika kuposa banki iliyonse
Masewera a St. Petersburg, operekedwa ndi Nicolaus Bernoulli mu 1713, amaponya ndalama mpaka igwere pa mutu ndipo amalipira $2 ngati zimenezo zatenga kuponya kamodzi, $4 ngati kawiri, $8 ngati katatu, kuwirikiza nthawi iliyonse. Kutalika kulikonse kotheka kumawonjezera $1 pa mtengo woyembekezekamasamuMtengo woyembekezekaZotsatira zapakati pa betcha lililonse pa nthawi yayitali. −1/37 ya ndalama zobetcha pa betcha lililonse la ku Ulaya wamba.Werengani yonse →, choncho pa pepala masewerawo ali ndi mtengo wopanda malire. Palibe banki imene ingalipire mphoto zopanda malire, ndipo mphoto zikangoikidwa malire pa zimene banki ili nazo, mtengo umagwa: ndi banki ya $1 miliyoni masewerawo ali ndi mtengo wa pafupifupi $21, ndi $1 biliyoni pafupifupi $31. Martingale ndi masewera omwewo oonedwa kuchokera mbali ina. Imapambana unitndalamaUnitNdalama zobetcha zoyambira zimene dongosolo kapena wosewera amagwiritsa ntchito. Maprogression amafotokozedwa mu ma unit kuti agwire ntchito pa tebulo lililonse.Werengani yonse → imodzi pafupifupi pa cycle iliyonse ndipo imataya zonse pa zotsatizana zazitali zosowa; popanda malire zotsatizana zazitali zikanalipiridwa ndi kupambana kwakukulu kosatha, ndipo ndi malire sizitero, n’chifukwa chake malire a tebulotebuloMalire a tebuloBetcha lochepa kwambiri ndi lalikulu kwambiri lololedwa. Malire apamwamba ndiwo amaimitsa maprogression owirikiza.Werengani yonse → amasankha mmene Martingale imalephera koma osati ngati imalephera.

Kutayika koyembekezeka si zotsatira
Gawo la masewera lililonse lidzasiyana ndi kutayika kwake koyembekezeka, nthawi zambiri kuposa kutayika koyembekezekako. Pa kuzungulira 100 kwa even-money pa $10 kupatuka kokhazikikamasamuKupatuka kokhazikikaMuzu wa sikweya wa kusinthasintha; mtunda wanthawi zonse wa zotsatira kuchokera ku mtengo woyembekezeka.Werengani yonse → ndi $100 poyerekeza ndi −$27 yoyembekezeka; gawo lopambana si lachilendo. Kutayika koyembekezeka ndi mtengo; kusinthasinthamasamuKusinthasinthaMuyeso wa kufalikira kwa zotsatira kuzungulira mtengo woyembekezeka. Kwakukulu pa straight up, kochepa pa mabetcha a even-money.Werengani yonse → ndi phukusi; zotsatira za usiku winawake ndi chitsanzo cha chimodzi.
Fomula
Mafunso
Ayi. 2.70% ya chilichonse chimene mumabetcha. Kubetchanso ndalama zopambana kumazibetcha kachiwiri.
Pa ola, inde, pa liwiro lofanana. Pa cholinga chofikiridwa, ayi: onani chiopsezo chotha ndalama zonsemasamuChiopsezo chotha ndalama zonseKuthekera kotaya ndalama zonse zosewerera musanafike cholinga kapena chiwerengero cha kuzungulira.Werengani yonse →.
Makasino amayerekeza kutayika kwanu koyembekezeka kuchokera ku betcha la avareji ndi nthawi yosewera ndipo amabweza gawo lake ngati ma comp. Akubweza gawo la mtengo, osati kukupatsani phindu.
Nthabwala yopumitsa

Ndalama zonse zobetchedwa × 1/37. Wotchi ili mkati mwa fomula.
Magwero
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.
- Epstein, R. A. The Theory of Gambling and Statistical Logic, 2nd ed.
- Taylor, D. G. Games, Gambling, and Probability: An Introduction to Mathematics, 2nd ed.