Ukujikeleza okuzimele ku-roulette
Ukujikeleza ngakunye kuqala kabusha ngokuphelele.
Umphumela wokujikeleza okukodwa awunawo umthelela kokulandelayo. Zonke izibalo kule sayithi zisekelwe kuleli qiniso.
Kusho ukuthini ukuzimela
p(okubomvuukubhejaBomvuUkubheja okulingana nemali ezinombolweni eziyi-18 ezibomvu. NgesiFulentshi: rouge.Funda konke → ekujikelezeni kwesi-2 | okubomvu ekujikelezeni kwe-1) = p(okubomvu) = 18/37. Ukuncika emlandweni akushintshi lutho. Izinombolo ezishisayoinganekwaneInombolo eshisayoInombolo evele kaningi kunalokho obekulindelekile muva nje. Esondweni elingenzeleli ayibikezeli lutho.Funda konke →, izinombolo ezibandayoinganekwaneInombolo ebandayoInombolo engakaveli ekujikelezeni okuningi. Ayinalo ulwazi mayelana nokujikeleza okuzayo esondweni elingenzeleli.Funda konke → nemibala “esifike isikhathi sayo” ziyizincazelo zokwedlule, hhayi izibikezelo, futhi ngayinye isekelwe esimangalweni esingamanga sokuthi ukujikeleza kwe-roulette akuzimele. Ngokusemthethweni, amathubaizibaloAmathubaIthuba lomphumela, kusukela ku-0 kuya ku-1 noma ku-0% kuya ku-100%. Inombolo eyodwa: 1/37 = 2.70%.Funda konke → ahlangene anoma yikuphi ukulandelana angumphumela wokuphindaphinda amathuba okujikeleza ngakunye, futhi yisona kuphela isizathu sokuthi umthetho wokuphindaphinda ekhasini lamathuba uvunyelwe.
Kungani “ukujikeleza kwe-roulette akuzimele” kungamanga ngokwe-physics
IbholaokokusebenzaIbholaIbhola elincane eliphonswa emzileni libheke ngakolunye uhlangothi lwe-rotor. Amabhola esimanje enziwa nge-ivorine noma nge-Teflon, angu-18–21 mm.Funda konke → liphonswa ngesandla ngesivinini esehluka ngezingxenye zeshumi zemitha ngomzuzwana; lizungeza umzila ukungqubuzana kwawo (friction) okwehluka ngokuya ngothuli nomswakama; lishaya isiphambukisiokokusebenzaI-deflectorEsinye sezithiyo zensimbi ezisendaweni ye-apron ezihlakaza ibhola eliwayo. Kubuye kuthiwe: canoe, diamond, pin.Funda konke → esisodwa kweziyisishiyagalombili nge-engeli enqunywa yikho konke lokho; ligxuma ezihlukaniseniokokusebenzaI-fretIsihlukanisi sensimbi phakathi kwamagodi amabili esondweni.Funda konke → umthelela wazo ebholeni elihamba ngo-1 m/s uyisiphithiphithi (chaotic) ngomqondo wobuchwepheshe. Akukho lutho lomphumela odlule olusala kunoma yikuphi kulokho okuguquguqukayo. I-rotorokokusebenzaI-rotorIngxenye yesondo ejikelezayo ephethe amagodi.Funda konke → iyi-rotor efanayo, okuyiyona ndawo eyodwa lapho ukuncika kungacasha khona, futhi lowo ngumbuzo wokuchema kwesondo.
Okulandela kukho
Lonke uhlelo lokubheja luwumsebenzi wemiphumela edlule. Uma imiphumela edlule ingenalo ulwazi ngokujikeleza okulandelayo, awukho umsebenzi onjalo ongathuthukisa inani elilindelekileizibaloInani elilindelekileUmphumela ovamile ekubhejeni ngakunye esikhathini eside. U-−1/37 wenani elibhejwayo kukho konke ukubheja okujwayelekile kwaseYurophu.Funda konke → lokubheja okulandelayo. Lena yinguqulo esemthethweni yempikiswano ngokumelene nezinhlelo, futhi yingakho amakhasi amasu angabhalwa kusengaphambili ngezinhlelo ezingakasungulwa: ubufakazi abuncikile emthethweni.
Lapho bekungeke kusebenze khona
Kuphela uma isondo belichemile ngokwesakhiwo noma ukuphonsa kwe-croupier bekubikezeleka. Lezo yizihloko zeLabhorethri ye-roulette. Ngisho nalapho, ukuncika kusefiziksi, hhayi emiphumeleni edlule: igodiokokusebenzaIgodiEsinye sezikhala ezingu-37 ezinezinombolo ku-rotor. Kubuye kuthiwe: slot, cup.Funda konke → elichemile linamathuba amakhulu kukho konke ukujikeleza, hhayi amathuba amakhulu ngemuva kokuba “belibanda”. Idatha yokujikeleza okudlule ibizoba wubufakazi ngesondo, okuyinto ehlukile kuphethini emiphumeleni.
Ukuzimela kuwukucabangela
Ukuphindaphinda amathuba kuvunyelwe kuphela uma izenzakalo zizimele, futhi isondo le-roulette lizuza lelo lungelo ngefiziksi. Kwezinye izindawo kumele kuhlolwe. Ngo-1999 u-Sally Clark, ummeli waseNgilandi, walahlwa yicala lokubulala amadodana akhe amabili ayizinsana. Udokotela wezingane watshela abahluleli (jury) ukuthi amathuba okufa kwezinsana ezimbili zisesembeni (crib death) emndenini ofana nowakhe angu-1 ezigidini ezingu-73, inani alithola ngokuphindaphinda ngokwalo u-1 ku-8,543, amathuba okufa okukodwa. Ukuphindaphinda ngokwalo kuthatha ukufa okubili njengokujikeleza okubili kwesondo. Kodwa abafowabo babelana ngofuzo nangekhaya, ngakho ngemuva kokufa okukodwa kwensana esembeni, okwesibili kunamathuba amakhulu kakhulu kunokwokuqala. I-Royal Statistical Society yakusho lokho obala ngo-2001, futhi ukulahlwa kuka-Clark yicala kwachithwa ekudlulisweni kwesibili kwecala ngo-2003, ngemuva kokuba kuvele ubufakazi bezokwelapha obabungadalulwanga. U-Hunacek (2025) usebenzisa leli cala ukufundisa umthetho leli khasi elisekelwe kuwo: phindaphinda kuphela okuzimele.
Ukuzimela namatafula e-RNG
Amatafula esofthiwe athatha umphumela ngamunye kusikhiqizi sezinombolo ezingahleliwe esiqinisekisiwe esihlolelwa kanye lesi sici: ukuzimela kokulandelana ezigidini zokudonswa. Isondo elinyakazayo liwumhlobiso. Itafula le-RNG elingakhombisa ukuncika belizohluleka ukuqinisekiswa, futhi lokho kuwukuhlolwa okuqine kakhulu kunanoma yikuphi umdlali angakwenza.
Imibuzo
Hhayi egodini. Mhlawumbe, ngokuzinza okukhulu, esigabeniisondoIsigabaIngxenye eqhubekayo yamagodi alandelanayo esondweni, ehlukile eqenjini lezinombolo ethebuleni lokubheja.Funda konke → kaningi kunenhlanhla; bheka izimpawu zama-croupier (dealer signatures) eLabhorethri ye-roulette. Izitudiyo zishintsha indlela yokuphonsa ukuze zikuvimbele.
Ekuhlaziyeni ukuchema ekujikelezeni okuyizinkulungwane, ngokomgomo. Ekujikelezeni okulandelayo, cha.
Ubumnandi bezibalo
Zama lezi ngokwakho kuqala. Isixazululo ngasinye sifihliwe; sivule uma usukulungile.
Ukubheja okwenziwa ngaphambi kokujikeleza okubili kukhokha imali elinganayo uma inombolo yesibili iphakeme kuneyokuqala. Ukulingana kuyahlulwa, futhi u-0 ubalwa njengenombolo ephansi kunazo zonke. Kubiza malini esondweni laseYurophu?
Bonisa isixazululo
Impendulo U-2.70% ncamashi, ofanayo nokubheja ku-bomvuukubhejaBomvuUkubheja okulingana nemali ezinombolweni eziyi-18 ezibomvu. NgesiFulentshi: rouge.Funda konke →.
Ukujikeleza okubili kuzimele, ngakho inombolo yesibili inamathuba alinganayo okuba phezulu noma phansi kuneyokuqala. Okunye okungenzeka wukulingana kuphela, inombolo efanayo kabili, ngamathubaizibaloAmathubaIthuba lomphumela, kusukela ku-0 kuya ku-1 noma ku-0% kuya ku-100%. Inombolo eyodwa: 1/37 = 2.70%.Funda konke → angu-1/37.
Ngakho ukubheja kuwina ngamathuba angu-(1 − 1/37)/2 = 18/37, ncamashi amathuba okubomvu, futhi kubiza u-2.70% ofanayo.
Uma ubungakwenza ngemuva kokubona inombolo yokuqala bekungaba yisipho: ngemuva kuka-0 kuwina izikhathi ezingu-36 kwezingu-37. Yingakho ukubheja okunjengalokhu kumele kuvalwe ngaphambi kokujikeleza kokuqala.
Okokuhlekisa
Ukujikeleza ngakunye kuqala kabusha ngokuphelele. Zonke izibalo lapha zincike kulokho.
Imithombo
- Feller, W. An Introduction to Probability Theory and Its Applications, Vol. 1.
- Small, M. & Tse, C. K. “Predicting the outcome of roulette.”
- Hunacek, M. Quantitative Literacy Through Games and Gambling.
- Royal Statistical Society. “Statement regarding statistical issues in the Sally Clark case.”