Kuyenda Pang’onopang’ono · Kuyenda pang’onopang’ono · mphindi 6

Kuyenda Pang’onopang’ono: Njira ya Roulette ya Madazeni Awiri

Madola khumi pa lililonse la madazeni awiri, manambala 24 ophimbidwa, kwa mazungulidwe makumi asanu. Njira ya roulette ya madazeni awiri ndi betcha lophimba limene limapambana mazungulidwe awiri pa atatu aliwonse ndipo limawonongabe 2.70%.

Yankho lalifupi

Gawo loyerekezedwa la mazungulidwe 50 a $10 pa dazeni loyamba ndi lachiwiri. Kupambana makumi atatu ndi kamodzi kwa $10, kutaya khumi ndi kasanu ndi kanayi kwa $20 (dazeni lachitatu kapena ziro). Zotsatira −$70, atakhala patsogolo ndi $90. Betcha limene limamveka lotetezeka chifukwa limapambana kawirikawiri ndipo lili ndi mtengo wofanana ndendende ndi lina lililonse.

pa kuzungulira kulikonse
$20 pa 1–12 ndi 13–24
limaphimba
24 pa 37
p(kupambana)
64.9%
zoyembekezeka pa kuzungulira kulikonse
−$0.54

Dongosolo: njira ya roulette ya madazeni awiri

$10 pa dazenibetchaDazeni1–12, 13–24 kapena 25–36, amalipira 2:1.Werengani yonse → loyamba ndi $10 pa lachiwiri. Nambala kuchokera pa 1 mpaka 24 imalipira dazeni limodzi $20 ndipo imataya $10 linalo: +$10. Nambala kuchokera pa 25 mpaka 36, kapena zirogudumuZiroKabowo kamodzi kobiriwira kamene betcha la even-money, dazeni kapena mzati siliphimba; gwero la phindu la kasino. Imatchedwanso: ziro imodzi, 0.Werengani yonse →, imataya onse awiri: −$20. Mtengo woyembekezekamasamuMtengo woyembekezekaZotsatira zapakati pa betcha lililonse pa nthawi yayitali. −1/37 ya ndalama zobetcha pa betcha lililonse la ku Ulaya wamba.Werengani yonse →: (24 × 10 − 13 × 20)/37 = −20/37 = −$0.54 pa kuzungulira kulikonse, zomwe ndi 2.70% ya $20. Kuchuluka kwa kupambana 64.9%, chiwerengero chimene chimagulitsa betcha ili.

Mazungulidwe 1–25

Kupambana khumi ndi kasanu ndi katatu, kutaya kasanu ndi kawiri: +$180 − $140 = +$40. Kutaya kasanu ndi kawiri kunaphatikiza ziro kamodzi ndi manambala atatu otsatizana a dazeni lachitatu pa mazungulidwe 11–13 amene anawononga $60 motsatizana ndipo anamveka ngati chosiyana. Inali 35.1% ikufika mulu umodzi, monga momwe milu imachitira.

mazungulidwemu 1–24mu 25–36 kapena 0zotsatirandalama zotsala
1–1073+$10+$10
11–1303−$60−$50
14–25111+$90+$40
Manambala atatu motsatizana kuchokera ku dazeni losaphimbidwa amawononga $60: 35% ikufika mulu umodzi.

Mazungulidwe 26–50

Kupambana khumi ndi katatu, kutaya khumi ndi kawiri: +$130 − $240 = −$110. Kutaya khumi ndi kawiri m’mazungulidwe 25 ndi chochitika cha 20%, si chosowa. Zomaliza −$70; pamwamba kwambiri +$90 pa kuzungulira 31. Betcha silinapange kusinthasintha kwakukulu mbali iliyonse, chifukwa kupambana ndi $10 ndipo kutaya ndi $20; linangogaya.

Gawo ili ndi ena asanu ndi anayi ofanana nalozotsatira poyerekeza ndi poyambira
+$530$0−$500+$190−$2500125250375500kuzungulirazotsatira
magawo 1,000 × kuzungulira 500 · wofiirira p10/p25/p75/p90, buluu wopepuka pakati, zitsanzo 82 zozimirira · sunthani pa tchati kuti muone ma quantile pa kuzungulira
  • p10 −$500
  • p25 −$500
  • pakati −$280
  • p75 −$40
  • p90 +$170
magawo 1,000 × kuzungulira 500 · mzere wa y wadulidwa pa peresentayilo ya 1–99 (monyanyira −$500 mpaka +$980) · kuzungulira 500 · loyambira $20 · madazeni awiri
Madazeni awiri pa $20 zonse pamodzi: +$10 mazungulidwe awiri pa atatu, −$20 kuzungulira kumodzi pa atatu. Kusinthasintha kochepa; mzere wa avareji umatsetsereka pa −$0.54 pa kuzungulira kulikonse, kutsetsereka komweko ngati $20 pa zofiira.

Maakaunti

Zonse zobetchedwa $1,000 pa mazungulidwe 50. Kutayika koyembekezekamasamuKutayika koyembekezekaMtengo woyembekezeka kuchulukitsa ndi ndalama zonse zobetchedwa; kuchuluka kwapakati kwa ndalama zotayika mu gawo la masewera kapena nthawi inayake.Werengani yonse → $27; kwenikweni −$70, pafupifupi kupatuka kokhazikikamasamuKupatuka kokhazikikaMuzu wa sikweya wa kusinthasintha; mtunda wanthawi zonse wa zotsatira kuchokera ku mtengo woyembekezeka.Werengani yonse → kumodzi pansi (σ pa kuzungulira kulikonse ndi pafupifupi $14, choncho pafupifupi $100 pa mazungulidwe 50). $20 yomweyo pa zofiirabetchaZofiiraBetcha la even-money pa manambala 18 ofiira. Mu Chifalansa: rouge.Werengani yonse → ikanakhala ndi zoyembekezeka zomwezo ndi σ yaikulu, pafupifupi $140 pa gawo lonse: madazeni awiri ndi njira ya kusinthasinthamasamuKusinthasinthaMuyeso wa kufalikira kwa zotsatira kuzungulira mtengo woyembekezeka. Kwakukulu pa straight up, kochepa pa mabetcha a even-money.Werengani yonse → kochepa yotayira ndalama zofanana.

Zimene gawoli likusonyeza

Kuphimba manambala 24 kumapangitsa roulette kumveka ngati masewera amene nthawi zambiri mumapambana, ndipo mumapambanadi: 64.9% ya mazungulidwe. MalipirondalamaMalipiroZimene betcha lopambana limabweza, zotchulidwa ngati “X ku 1” kuwonjezera pa ndalama zobetcha zobwezedwa.Werengani yonse → amakhazikitsidwa kotero kuti 35.1% imene mumataya imawononga kuwirikiza kawiri zimene kupambana kumalipira, ndipo chiyerekezocho chimakonzedwa ndi dongosolo la mabetchazipangizoDongosolo la mabetchaGridi yosindikizidwa yobetchera pa tebulo. Imatchedwanso: tebulo, felt, nsalu.Werengani yonse → kukhala −1/37 ya ndalama zonse zobetcha. Onjezani chipindalamaChipiChizindikiro choimira ndalama yokhazikika, choikidwa pa dongosolo la mabetcha kuti mupange betcha. Chimatchedwanso: check.Werengani yonse → pa ziro ngati “inshuwalansi” ndipo phindu la kasino losakanikirana lidakali 2.70%, chifukwa inshuwalansiyo ili ndi mtengo wa 2.70% nayonso. Tsamba la Vuto: Madazeni Awiri ndi Chipi Chimodzi limafotokoza zimenezi mwatsatanetsatane.

Mafunso

Madazeni awiri kapena mizati iwiri?

Masamu omwewo: manambala 24, +1 unitndalamaUnitNdalama zobetcha zoyambira zimene dongosolo kapena wosewera amagwiritsa ntchito. Maprogression amafotokozedwa mu ma unit kuti agwire ntchito pa tebulo lililonse.Werengani yonse → pa kugunda, −2 pa kuphonya. MizatibetchaMzatiManambala khumi ndi awiri mu mzati umodzi woimirira wa dongosolo la mabetcha, amalipira 2:1.Werengani yonse → imafalitsa manambala ophimbidwa pa gudumu; madazeni amawasonkhanitsa pa dongosolo la mabetcha. Palibe chimene n’chofunika.

Nanga bwanji chipi pa ziro?

Kumaphimba manambala 25; ziro tsopano imapereka +$16 m’malo mwa −$20 pa mtengo wa $1 pa kuzungulira kulikonse. Mtengo woyembekezeka ndi −$0.57 pa $21, komabe 2.70%.

Kodi 64.9% si “nthawi zambiri”?

Ndi choncho, ndipo malipiro akhazikitsidwa mogwirizana nazo. Nthawi zambiri mumapambana $10. Nthawi zina mumataya $20. Avareji ndi phindu la kasinomasamuPhindu la kasinoGawo la ndalama zobetcha zilizonse limene kasino imasunga pa avareji: 2.70% mu roulette ya ku Ulaya.Werengani yonse →.

Nthabwala yopumitsa

Pambanani mazungulidwe awiri pa atatu. Tayani kuwirikiza kawiri pa lachitatu. Zotsatira zake ndi 2.70%.

Pambanani mazungulidwe awiri pa atatu. Tayani kuwirikiza kawiri pa lachitatu. Zotsatira zake ndi 2.70%.

Magwero

  1. Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling. Springer, 2010. Mutu 13, roulette.
zinawunikidwa 2026-09-28chitsanzo: ya ku Ulaya, ziro imodzinjira zowerengera ↗magwero ↗