Ho Fumana Leeme la Lebidi la Roulette
Ngola, bala, leka, ebe o ngola ho feta: ke kamoo o fumanang leeme la lebidi la roulette.

Bokella bonyane dipotoloho tse sekete ho tswa lebiding le le leng, bala ho hlola ha mokotlana ka mong, etsa teko ya chi-squarelaboratoriTeko ya chi-squareTeko ya dipalopalo e bapisang palo ya ho otlwa ha mokotlana ka mong le n/37 e lebelletsweng. E sebediswa ho ahlola hore na lebidi le na le leeme.Bala kaofela →, mme o nke sephetho sefe kapa sefe se le seng se bohlokwa e le lebaka la ho bokella sampole ya bobedi e ikemetseng.
1. Ngola
Nalane ya dipotoloho ho tswa ditafoleng tse phelang hangata e a phatlalatswa kapa e bontshwa mme e ka kopitswa. Ngola hore ke lebidi lefe: ditafole di fapanyetsana dihlooho tsa lebididisebediswaHlooho ya lebidiLentswe le leng bakeng sa rotor: karolo e potolohang e jereng dinomoro.Bala kaofela → pakeng tsa dikotlolodisebediswaSekotloloKarolo e ka ntle ya lebidi e sa tsamayeng: moqomo wa lehong kapa wa motswako o tshwereng tsela ya bolo le apron, mme ka hare ho ona rotor e a potoloha.Bala kaofela →, mme leeme ke la lebidi, e seng la tafole kapa la croupier. Ngola letsatsi le nako; lebidi le nang le leeme kajeno le ka kenngwa mapheko a matjha hosane. Dipotoloho tse sekete ke bonyane hore teko e bolele ho hong; tse dikete tse leshome ke moo e qalang ho ba le thuso.
2. Bala o be o leke
Bala ho hlola ha mokotlanadisebediswaMokotlanaE nngwe ya dikarolo tse 37 tse nang le dinomoro hodima rotor. Hape: slot, cup.Bala kaofela → ka mong. Se lebelletsweng ke n/37 ka mong. Bala palo ya chi-square, Σ (e bonweng − e lebelletsweng)² / e lebelletsweng, ho mekotlana e 37 mme o e bapise le kabo ya chi-square ho degrees of freedomlaboratoriDegrees of freedomPalo ya maemo a ikemetseng ho statistic. Bakeng sa teko ya chi-square ho mekotlana e 37 ke 36, hobane dipalo di tlameha ho kopana ho ba kakaretso.Bala kaofela → tse 36. Mohlahlobi wa Leeme la Lebidi la Roulette sebakeng sena o e etsa ka hara browser. Sheba hape dikarolo tsa lebidilebidiKarolo ya lebidiMokoloko wa mekotlana e latellanang lebiding, ho fapana le sehlopha moralong wa dibete.Bala kaofela →: bofokodi ba sebele hangata bo ama mekotlana e bapileng hammoho, mme teko ya karolo e na le menyetla e fokolang ya ho fana ka sephetho se fosahetseng se bontshang leeme ho feta diteko tse 37 tsa mekotlana ka bonngwe.
3. Pheta
Arola data ka dihalofo, kapa o bokelle sampole e ntjha ya boholo bo tshwanang ho tswa lebiding le le leng. Leeme la nnete le hlaha disampoleng ka bobedi; lehlohonolo feela ha le hlahe. Chi-square e bohlokwa ho 5% sampoleng e le nngwe e lebelletswe hang ho tse mashome a mabedi ho tswa lebiding le lekaneng, mme sebapadi se hlahlobang mabidi a mangata se tla fumana disampole tse jwalo kamehla. Ke ka mora ho pheta feela moo ho leng bohlokwa ho bala hore na mekotlana e tjhesang e lefa ho lekana ho hlola 2.70%.
4. Lekanya boholo ba phello
Bohlokwa ba dipalopalo bo re lebidi mohlomong ha le a lekana. Phaello e hloka hore mokotlana o hlole ho 1/36 kapa ho feta, kaha straight upbeteStraight upNomoro e le nngwe, e lefa 35:1.Bala kaofela → e lefa 35 ho 1. Mokotlana o bonweng o hlotse makgetlo a 40 ho a 1,000 ke 1/25, e leng se neng se tla ba le phaello e kgolo haeba e le nnete, mme e ne e tla boela e be ketsahalo ya 2.5-sigma lebiding le lekaneng; sampole ya bobedi ya 1,000 e ne e lebelletswe ho e bontsha hape ho 40 ± 6 haeba leeme e le la nnete le ho 27 ± 5 haeba e ne e le lerata.
Ebe jwang: ho fumana leeme la lebidi la roulette dikhasinong tsa sejwale-jwale
Nalaneng: beta karolo e tjhesang, hlola ho fihlela khasino e hlokomela, mme o thibelwe kapa o bone lebidi le nyamela. Lelapa la García-Pelayo le entse sena haufi le Madrid qalong ya dilemo tsa bo1990, mme ha khasino e ba thibela makgotla a Spain a hlakola thibelo. Dikhasino jwale di fapanyetsana di-rotordisebediswaRotorKarolo e potolohang ya lebidi e jereng mekotlana.Bala kaofela → pakeng tsa dikotlolo mme di lekanya mekotlana ho ya ka lenaneo; leeme le leholo ho lekana ho bonwa dipotolohong tse sekete le ne le ke ke la phela ho feta potoloho ya tlhokomelo. Mokgwa o nepahetse, empa ho fumana leeme la lebidi la roulette dikhasinong tsa sejwale-jwale ho fihla morao haholo: monyetla, ha ho etswa, o se o fedile.
Dibapadi tse Tummeng tsa RouletteGonzalo García-Pelayo: Sistimi ya Roulette
Mokotlana o phathahaneng ka ho fetisisa kamehla o phathahane
Ho kgetha mokotlana o phathahaneng ka ho fetisisa le ho o leka o le mong ke leraba, hobane lebidi le lekaneng kamehla le na le mokotlana o phathahaneng ka ho fetisisa. Ka mora dipotoloho tse 3,700 mokotlana o mong le o mong o lebelletse ho hlola makgetlo a 100, empa o phathahaneng ka ho fetisisa hangata o bontsha a ka bang 122, mme sampoleng e le nngwe ho tse mashome a mabedi o bontsha 131 kapa ho feta. O kgutsitseng ka ho fetisisa hangata o bontsha a ka bang 79. Kahoo mokotlana o ho 125 dipotolohong tse 3,700 ha se ntho e fumanweng: o bapise le seo mokotlana o phathahaneng ka ho fetisisa wa lebidi le lekaneng o se etsang, e seng le 100.

Diphoso tse tlwaelehileng
Ho kopanya dipotoloho ho tswa mabiding a fapaneng kapa dihloohong tse fapaneng tsa lebidi. Ho leka ka mora ho bona data le ho kgetha sehlopha se shebahalang se le sebe ka ho fetisisa. Ho nka nomoro e tjhesangtumelo ya bohataNomoro e tjhesangNomoro e hlahileng kgafetsa ho feta kamoo ho neng ho lebelletswe haufinyane. Lebiding le lokileng ha e bolele letho esale pele.Bala kaofela → dipotolohong tse 200 e le letshwao. Ho lebala hore teko e nka hore dipotoloho di ikemetse, kahoo phello ya tshaeno ya croupier le yona e ne e tla phahamisa chi-square ntle le hore mokotlana ofe kapa ofe o ratwe ka sebele.
Dipotso
Tse 1,000 ho etsa teko ho hang; dikete tse mmalwa ho fumana leeme le loketseng ho ba le lona; dikete tse mashome ho le netefatsa.
Feela haeba e bolela hore ke lebidi lefe mme e bontsha dipotoloho tse lekaneng. Diboto tse ngata di bontsha tse 20 ho isa ho tse 500, e leng tse sa lekaneng.
Hore lebidi mohlomong ha le hlahise diphetho tse lekalekanang. Eseng hore mokotlana ofe kapa ofe o lefa ho lekana, mme eseng hore mokgwa o tla tswela pele.
Monate wa Dipalo
Leka tsena ka bowena pele. Tharollo e nngwe le e nngwe e kwetswe; e bule ha o se o itokiseditse.
Lebiding le tsofetseng mekotlanadisebediswaMokotlanaE nngwe ya dikarolo tse 37 tse nang le dinomoro hodima rotor. Hape: slot, cup.Bala kaofela → e meraro e kgubedubeteKgubeduBete ya tefo e lekanang ho dinomoro tse 18 tse kgubedu. Sefora: rouge.Bala kaofela → e sa tebe hanyane, mme bolodisebediswaBoloBolo e nyane e qhalwang tseleng kgahlano le rotor. Dibolo tsa sejwalejwale ke tsa ivorine kapa Teflon, 18–21 mm.Bala kaofela → e neng e tla ema ho yona e nna e pitikela mekotlaneng e ntshobeteNtshoBete ya tefo e lekanang ho dinomoro tse 18 tse ntsho. Sefora: noir.Bala kaofela → e haufi le yona, kahoo kgubedu e tswa makgetlo a 15 ho a 37 mme ntsho a 21. Dibete ho kgubedu le ho ntsho jwale di ja kapa di fumana bokae?
Bontsha tharollo
Karabo Kgubedu e ja 18.9%; ntsho e fumana 13.5%.
Kgubedu e hlola makgetlo a 15 ho a 37 mme e lahleha a 22: (15 − 22)/37 = −18.9%. Ntsho e hlola makgetlo a 21 mme e lahleha a 16: (21 − 16)/37 = +13.5%.
Leeme le seha ka mahlakore ka bobedi. Lebidi le fang molemo ho sebapadi se le lekantseng le lefisa sebapadi se tshehetsang mmala o fosahetseng makgetlo a supileng theko e tlwaelehileng. Hunacek (2025) o sebedisa mohlala o tshwanang.
Mekotlana e meraro ho e 37 ke phoso e feteletseng. Leeme la nnete hangata ke karolo e nyane ya sena, mme ho nka dikete tsa dipotoloho ho le kgetholla ho lehlohonolo, jwalo ka ha leqephe lena le bontsha.
Ho phomola ka metlae

Ngola, bala, leka, pheta. Ho pheta ke karolo e thata.
Mehlodi
- Pearson, K. “On the criterion that a given system of deviations from the probable…”
- Barnhart, R. T. Beating the Wheel.
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.
- Wizard of Odds. “Hot Numbers in Roulette: Myths and Facts.”