Khuraafaad: Lambarradu Waqtigoodii Waa La Gaaray
“Toddoba iyo toban ma soo bixin 150 wareeg. Waqtigiisii waa la gaaray.” Maya.

Lambar aan muddo dheer soo bixin wuxuu wareegga xiga leeyahay isla itimaalka lambar kasta oo kale: 1/37. Aaminaadda ah in “waqtigiisii la gaaray” waa khaladka khamaarlaha oo lagu lifaaqay looxa natiijooyinka.
Sheegashada
Kasiinooyinku waxay soo bandhigaan 20 ilaa 500 natiijo ee u dambeeyay, badanaana waxay calaamadeeyaan lambarrada “qabow” ee aan muddo soo bixin. Ciyaartoydu waxay akhriyaan looxa, waxay arkaan in 17 maqnaa 150 wareeg, waxayna ku sharadsadaan sababtoo ah waa inuu waqtigiisii gaaray. Sababayntu waa in muddada dheer lambar kasta uu soo baxo 1/37 waqtiga, sidaa darteed lambar dib u dhacay waa inuu soo gaaro.
Sababta ay qalad u tahay
Wareegyadu waa madaxbannaan yihiin. KubbadduqalabKubbadKubbadda yar ee lagu tuuro jidka iyada oo ka soo horjeedda rotor-ka. Kubbadaha casriga ah waa ivorine ama Teflon, 18–21 mm.Akhri dhammaan → ma oga in 17 maqnaa, godkunaqalabGodMid ka mid ah 37-ka qol ee lambarrada leh ee rotor-ka. Sidoo kale: slot, cup.Akhri dhammaan → waa isla cabbirkii uu ahaa. Saamiga muddada dheer wuxuu isugu soo dhowaadaa khafiifin, ma aha sixid: 10,000 wareeg oo kale kadib farqiga 150-ka wareeg waa khalad yar oo xisaabeed, ma aha sababtoo ah 17 si dheeraad ah ayuu u soo baxay ee waa sababtoo ah muunadda ayaa korortay. Sharciga tirooyinka waaweynxisaabSharciga tirooyinka waaweynCelceliska natiijooyinka madaxbannaan wuxuu u soo dhowaadaa qiimaha la filayo marka tirada tijaabooyinku korodho.Akhri dhammaan → uma baahna in lambar uun soo gaaro; wuxuu u baahan yahay oo keliya in isbeddellada hore ay noqdaan kuwo yaryar marka loo eego wadarta.
Sababta ay sax ugu muuqato
Sababtoo ah qayb kasta oo kale oo nolosha, maqnaanshuhu wuxuu saadaaliyaa imaatin: bas aan imaan labaatan daqiiqo wuxuu leeyahay itimaal badan inuu yimaado shanta xigta. Taasi waa sababtoo ah basaska jadwal ayay leeyihiin. Roulette jadwal ma leh; waxay leedahay itimaalxisaabItimaalFursadda natiijo, 0 ilaa 1 ama 0% ilaa 100%. Hal lambar: 1/37 = 2.70%.Akhri dhammaan →, itimaalkuna ma aha qoondo. Dareenku wuu sax yahay inta badan adduunka, waana qalad giraangirta.
Tijaabada
Diiwaangeli boqol lambar oo “qabow” ah oo ka yimid looxyada natiijooyinka oo mid kasta sharadso 37-ka wareeg ee xiga. Heerka helidda wuxuu noqon doonaa 1/37 wareeggiiba, isla kii lambar kasta oo si nasiib ah loo doortay, buuq ha lagu daro ama ha laga jaro. Looxa natiijooyinku waa sharraxaad waxyaabihii hore. Ma laha wax saadaalin ah giraangir caddaalad ah, giraangir eex lehshaybaarGiraangir eex lehGiraangir ay cilladaheeda jireed ka dhigaan godad qaarkood kuwo ka itimaal badan 1/37. Waa dhif, waxaana lagu ogaan karaa oo keliya kumanaan wareeg oo la diiwaangeliyay.Akhri dhammaan → (taasoo u baahan kumanaan wareeg si loo caddeeyo) dushedana lambarrada kululkhuraafaadLambar kululLambar dhowaan soo baxay in ka badan intii la filayay. Giraangir caddaalad ah waxba ma saadaaliyo.Akhri dhammaan →, ma aha kuwa qabow, ayaa noqon lahaa kuwa la sharadsado.
Khuraafaadka rogan
“Toddoba iyo toban waa kulul yahay, sharadso” waa isla khaladka oo calaamadda la rogay. Labada aaminaadba waxay leeyihiin isla qiimaha la filayoxisaabQiimaha la filayoCelceliska natiijada sharad kasta muddada dheer. −1/37 ee sharadka sharad kasta oo Yurub caadi ah.Akhri dhammaan → sida indhaha oo la xiro oo far la fiiqo: −2.70% ee sharadka. Ciyaarta Demo-ga, socodsii taariikhda oo tiri inta jeer ee lambar qabowkhuraafaadLambar qabowLambar aan soo bixin wareegyo badan. Giraangir caddaalad ah wax macluumaad ah kama sido wareegyada mustaqbalka.Akhri dhammaan → uu soo baxo 37-ka wareeg ee xiga; jawaabtu waa qiyaastii 63.7%, si sax ah sida lambar kasta oo kale.
Su'aalo
Waxay muujisaa sababtoo ah ciyaartoydu ayaa codsada. Looxu waa sax, waxtarna ma leh.
(36/37)⁵⁰⁰ ≈ 0.0001%: naadir, weli 1/37 wareegga xiga. Haddii ay ku sii dhacdo hal giraangir, taasi waa su'aal eex, jawaabtuna waxay noqon lahayd in laga fogaado lambarkaas.
Maya.
Kaftan yar

Itimaal ma aha qoondo.
Ilaha
- Feller, W. An Introduction to Probability Theory and Its Applications, Vol. 1.
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.