Ol Tanim bilong Rulet i No Hangamap long Narapela
Olgeta tanim i stat long nating.

Samting i kamap long wanpela tanim i no mekim wanpela samting long tanim bihain. Olgeta kaunim long dispela sait i sanap long dispela tok tru.
I no hangamap long narapela i makim wanem
p(retbetRetBet wan-long-wan long 18 namba ret. Tok Frans: rouge.Ritim olgeta → long tanim 2 | ret long tanim 1) = p(ret) = 18/37. Sapos yu tingim ol samting i kamap bipo, i no gat wanpela samting i senis. Hat nambatingting i no truHat nambaNamba i bin kamap planti moa long yu ting long taim i no longpela i go pinis. Long stretpela wil, em i no tokaut long wanpela samting.Ritim olgeta →, kol nambatingting i no truKol nambaNamba i no bin kamap long planti tanim. Long stretpela wil, em i no givim wanpela save long ol tanim bihain.Ritim olgeta → na ol kala “i mas kam nau” i stori long taim i go pinis, ol i no tok profet. Olgeta wan wan i sanap long giaman tok olsem ol tanim bilong rulet i hangamap long narapela. Long tok bilong matematik, sansmatematikSansSans bilong wanpela resal, long 0 i go 1 o 0% i go 100%. Wanpela namba: 1/37 = 2.70%.Ritim olgeta → bilong wanem lain namba em i ol sans bilong wan wan tanim yu taimsim wantaim. Em tasol as na lo bilong taimsim long pes bilong sans i stret.
Bilong wanem tok “ol tanim bilong rulet i hangamap long narapela” i no tru long fisiks
Han i sutim baltulBalLiklik bal dila i sutim long rot i go long narapela sait long rota. Ol nupela bal i ivorine o Teflon, 18–21 mm.Ritim olgeta → wantaim spit i senis long ol hap bilong wanpela mita long wanpela sekon. Bal i raun long rot we pasin bilong em long pas i senis wantaim das na wara long win. Em i paitim wanpela bilong eitpela ston bilong sutim baltulSton bilong sutim balWanpela long ol ain i stap long hap i slip na i mekim bal i pundaun i kalap nabaut. Narapela nem: canoe, diamond, pin.Ritim olgeta → long kona olgeta dispela samting i makim. Em i kalap i go long ol liklik banistulLiklik banisAin i banisim tupela hul long wil.Ritim olgeta →, na pasin bilong ol long bal i go long 1 m/s i bihainim lo bilong kaos long tok bilong saiens. I no gat wanpela samting bilong namba i kamap bipo i stap yet long wanpela bilong ol dispela samting. RotatulRotaHap bilong wil i save tanim na i karim ol hul.Ritim olgeta → em i wankain rota, na em tasol ples we hangamap inap hait, na dispela em i askim long bias bilong wil.
Wanem samting i kamap long dispela
Olgeta sistem bilong bet i kam long ol namba i kamap bipo. Sapos ol namba i kamap bipo i no givim wanpela save long tanim bihain, i no gat wanpela kain sistem olsem inap mekim ekspektet velyumatematikEkspektet velyuAvarej resal long wanpela bet long longpela taim. −1/37 bilong mani bilong bet long olgeta bet olpasin bilong Yurop.Ritim olgeta → bilong bet bihain i kamap gutpela moa. Em i tok bilong matematik i birua long ol sistem, na em i as na ol pes bilong strateji inap raitim pastaim long ol sistem ol man i no wokim yet: tok i soim i no hangamap long lo bilong sistem.
Taim em i no inap wok
Sapos wil i gat bias tru long bodi bilong en, o yu inap save long pasin bilong dila long lusim bal. Ol dispela em i ol stori bilong Laboratori. Maski long dispela hap, hangamap i kam long fisiks, i no long ol namba i kamap bipo: hultulHulWanpela long ol 37 hul i gat namba long rota. Narapela nem: slot, cup.Ritim olgeta → i gat bias i gat sans moa long olgeta tanim, i no gat sans moa bihain long em i bin “kol”. Ol namba bilong ol tanim bipo bai givim save long wil, na dispela i narakain long wanpela pasin insait long ol namba i kamap.
I no hangamap long narapela, em i samting yu ting i tru
Yu inap taimsim ol sans taim ol samting i no hangamap long narapela tasol, na wil bilong rulet i kisim dispela rait long rot bilong fisiks. Long ol narapela hap yu mas sekim. Long 1999, Sally Clark, wanpela loya bilong Inglan, ol i painim em i gat asua long kilim i dai tupela bebi pikinini man bilong em. Wanpela dokta bilong ol pikinini i tokim ol jas olsem sans bilong tupela bebi i dai nating long slip long wanpela famili olsem bilong em em i 1 long 73 milion. Em i kisim dispela namba long rot bilong taimsim 1 long 8,543, sans bilong wanpela, long em yet. Taim yu taimsim olsem, yu lukim tupela dai olsem tupela tanim bilong wil. Tasol ol brata i gat wankain blut na wankain haus, olsem na bihain long wanpela bebi i dai nating long slip, sans bilong namba tu i bikpela moa tru long sans bilong namba wan. Royal Statistical Society i tokaut long dispela long ples klia long 2001, na ol i rausim asua bilong Clark long namba tu apil long 2003, bihain long sampela tok bilong dokta ol i no bin soim i kamap ples klia. Hunacek (2025) i yusim dispela stori long skulim lo dispela pes i sanap long en: taimsim tasol ol samting i no hangamap long narapela.
I no hangamap long narapela na ol tebol bilong RNG
Ol tebol bilong kompiuta i kisim olgeta namba long wanpela masin bilong namba i rendom ol i bin sekim na givim pepa long en. Ol i tesim stret dispela pasin: ol namba i no hangamap long narapela long planti milion namba. Wil i muv long skrin em i bilas tasol. Sapos tebol bilong RNG i soim olsem ol namba i hangamap, em bai i no kisim pepa, na dispela tes i strong moa long wanem tes pleia inap mekim.
Ol askim
I no long wanpela hul. Ating, sapos em i mekim wankain pasin oltaim tru, bal inap pundaun long wanpela seksenwilSeksenWanpela hap bilong wil we ol hul i stap wan bihain long narapela, i narakain long wanpela grup long laiaut.Ritim olgeta → planti moa long sans; lukim pasin bilong han bilong dila long Laboratori. Ol haus bilong wok i save senisim pasin bilong lusim bal long pasim dispela.
Long tingting, long skelim bias long planti tausen tanim. Long tanim bihain, nogat.
Amamas wantaim Matematik
Traim ol dispela yu yet pastaim. Bekim bilong wanwan i hait; opim taim yu redi.
Bet yu putim pastaim long tupela tanim i pe wan-long-wan sapos namba namba tu i antap long namba namba wan. Sapos tupela i wankain em i lus, na 0 i kaunim olsem namba i daunbilo tru. Em i kostim hamas long wil bilong Yurop?
Soim bekim
Bekim 2.70% stret, wankain olsem retbetRetBet wan-long-wan long 18 namba ret. Tok Frans: rouge.Ritim olgeta →.
Tupela tanim i no hangamap long narapela, olsem na namba namba tu i gat wankain sans long stap antap o daunbilo long namba wan. Narapela samting tasol inap kamap em wankain namba tupela taim, wantaim sansmatematikSansSans bilong wanpela resal, long 0 i go 1 o 0% i go 100%. Wanpela namba: 1/37 = 2.70%.Ritim olgeta → 1/37.
Olsem na bet i win wantaim sans (1 − 1/37)/2 = 18/37, stret sans bilong ret, na i kostim wankain 2.70%.
Sapos yu inap putim em bihain long yu lukim namba namba wan, em bai presen: bihain long 0 em i win 36 taim long 37. Olsem na kain bet olsem i mas pas pastaim long tanim namba wan.
Liklik lap

Olgeta tanim i stat long nating. Olgeta kaunim long hia i sanap long dispela.
Ol As bilong Save
- 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.”