Sinyatselo ngesinyatselo: Lisu lemadazini lamabili ku-roulette
Emadola lalishumi kulelo nalelo lemadazini lamabili, tinombolo letingu-24 timbozwe, ekujikeleteni lokumashumi lasihlanu. Lisu le-roulette lemadazini lamabili kubheja kwekumboza lokuwina ekujikeleteni lokubili kulokutsatfu kodvwa kusabita 2.70%.
Iseshini lelingisiwe yekujikeleta lokungu-50 ya-$10 elidazinini lekucala nalelesibili. Kuwina lokumashumi lamatsatfu nakunye kwa-$10, kulahlekelwa lokulishumi nesiligcabhanyiswa kwa-$20 (lidazini lesitsatfu noma licandza). Umphumela −$70, ngemuva kwekuba etulu nga-$90. Kubheja lokuva shengatsi kuphephile ngobe kuwina kanyenti futsi kunentsengo lefanako ncamashi nalokunye konkhe.
Luhlelo: lisu le-roulette lemadazini lamabili
$10 elidazininikubhejaLidazini1–12, 13–24 noma 25–36, kukhokha 2:1.Fundza konkhe → lekucala na-$10 kulelesibili. Inombolo kusuka ku-1 kuya ku-24 ikhokha lidazini linye $20 futsi ilahlekelwe lelinye $10: +$10. Inombolo kusuka ku-25 kuya ku-36, noma licandzalisondvoLicandzaUmgodzi munye loluhlata longambonjwa kubheja lokulingana nemali, kwelidazini noma kwelikholamu; umtfombo wenzuzo yelikhasino. Kuphindze kutsiwe: licandza linye, 0.Fundza konkhe →, ilahlekelwa kokubili: −$20. Linani lelilindzelekiletibaloLinani lelilindzelekileUmphumela wesilinganiso ngekubheja ngakunye ngekuhamba kwesikhatsi lesidze. −1/37 yelinani lelibhejiwe kuko konkhe kubheja lokujwayelekile kwaseYurophu.Fundza konkhe →: (24 × 10 − 13 × 20)/37 = −20/37 = −$0.54 ekujikeleteni ngakunye, lokungu-2.70% wa-$20. Litfuba lekuwina 64.9%, lokuyinombolo letsengisa lokubheja.
Kujikeleta 1–25
Kuwina lokulishumi nesiphohlongo, kulahlekelwa kasikhombisa: +$180 − $140 = +$40. Kulahlekelwa kasikhombisa kwafaka ekhatsi licandza kanye neluchungechunge lwetinombolo letintsatfu telidazini lesitsatfu ekujikeleteni 11–13 lolwabita $60 kulandzelana futsi lwativa njengalokungajwayelekile. Bekuyi-35.1% ifika iyinchwaba, futsi tinchwaba tenta kanjalo.
Kujikeleta 26–50
Kuwina lokulishumi nakutsatfu, kulahlekelwa lokulishumi nakubili: +$130 − $240 = −$110. Kulahlekelwa lokulishumi nakubili ekujikeleteni lokungu-25 kusehlakalo sa-20%, akukavami kancane. Ekugcineni −$70; lokuphakeme kakhulu +$90 ekujikeleteni 31. Lokubheja akukaze kuvete kugucuka lokukhulu nganoma nguluphi luhlangotsi, ngobe kuwina kungu-$10 nekulahlekelwa kungu-$20; bekumane kugaya.
- p10 −$500
- p25 −$500
- phakatsi −$280
- p75 −$40
- p90 +$170
Tibalo
Imali yonkhe lebhejiwe $1,000 ekujikeleteni lokungu-50. Kulahlekelwa lokulindzelekiletibaloKulahlekelwa lokulindzelekileLinani lelilindzelekile liphindzaphindzwe ngemali yonkhe lebhejiwe; linani lesilinganiso lelilahlekako eseshinini noma esikhatsini lesitsite.Fundza konkhe → $27; lokwenteke ngempela −$70, cishe kuphambuka lokujwayelekiletibaloKuphambuka lokujwayelekileImphandze yesikwele yekugucugucuka (variance); libanga lelivamile lemphumela kusuka enanini lelilindzelekile.Fundza konkhe → kunye ngaphansi (σ ekujikeleteni ngakunye icishe ibe ngu-$14, ngako cishe $100 ekujikeleteni lokungu-50). I-$20 lefanako kulokubovukubhejaBovuKubheja lokulingana nemali etinombolweni letingu-18 letibovu. NgesiFulentji: rouge.Fundza konkhe → beyitawuba nalokulindzelekile lokufanako ne-σ lenkhulu, cishe $140 kuyo yonkhe iseshini: emadazini lamabili yindlela yekugucugucukatibaloKugucugucukaSilinganiso sekutsi imiphumela isabalele kangakanani etungeleta linani lelilindzelekile. Kukhulu ku-straight up, kuncane ekubhejeni lokulingana nemali.Fundza konkhe → lokuphansi yekulahlekelwa linani lelifanako.
Loko lokukhonjiswa yiseshini
Kumboza tinombolo letingu-24 kwenta i-roulette ive shengatsi ngumdlalo lovamise kuwina kuwo, futsi uyawina: ku-64.9% wekujikeleta. InkhokheloimaliInkhokheloLoko lokubuyiswa kubheja lokuwinile, lokushiwo ngekutsi “X ku-1” ngetulu kwelinani lelibhejiwe lelibuyiswako.Fundza konkhe → ibekwe kutsi i-35.1% lolahlekelwa kuyo ibite kabili loko lokukhokhwa kuwina, futsi silinganiso silungiswa lithebula lekubhejatinsitaLithebula lekubhejaLithebula lekubheja leliphrintiwe etafuleni. Lamanye emagama: litafula, i-felt, indvwangu.Fundza konkhe → kutsi sibe ngu-−1/37 welinani lonkhe lelibhejiwe. Yengeta lithokheniimaliLithokheniLuphawu lolumele linani lelingagucuki, lolubekwa kulithebula lekubheja kute ubheje. Lelinye ligama: check.Fundza konkhe → elicandzeni “njengemshwalense” futsi inzuzo yelikhasino lehlanganisiwe isesengu-2.70%, ngobe umshwalense nawo unentsengo ya-2.70%. Likhasi lelitsi Inkinga: Emadazini lamabili nelithokheni linye liyakuhlolisisa loku.
Imibuto
Tibalo letifanako: tinombolo letingu-24, +1 liyunithiimaliLiyunithiLinani lelibhejwako lelisisekelo luhlelo noma umdlali lasebenta ngalo. Kwenyuswa kwelinani kuchazwa ngemayunithi kute kusebente kunoma ngumuphi litafula.Fundza konkhe → nawushaya, −2 nawuphutsa. EmakholamukubhejaLikholamuTinombolo letilishumi nakubili emgceni munye lome ngco kulithebula lekubheja, kukhokha 2:1.Fundza konkhe → asabalalisa tinombolo letimbozwako elisondvweni; emadazini atihlanganisa ndzawonye elithebuleni lekubheja. Kute lokubalulekile.
Kumboza tinombolo letingu-25; licandza nyalo liletsa +$15 esikhundleni sa-−$20 ngentsengo ya-$1 ekujikeleteni ngakunye. Linani lelilindzelekile ngu-−$0.57 ku-$21, lisengu-2.70%.
Kunjalo, futsi inkhokhelo ilinganiswe nayo. Tikhatsi letinyenti uwina $10. Ngaletinye tikhatsi ulahlekelwa $20. Silinganiso yinzuzo yelikhasinotibaloInzuzo yelikhasinoIncenye yelinani ngalinye lelibhejiwe leligcinwa likhasino ngesilinganiso: 2.70% ku-roulette yaseYurophu.Fundza konkhe →.
Lokuhlekisako
Wina ekujikeleteni lokubili kulokutsatfu. Lahlekelwa kabili ngalokwesitsatfu. Umphumela ngu-2.70%.
Imitfombo
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.