Tiers du Cylindre deg rulit
«Wis kraḍ n uḍebsi»: rrehn tiers deg rulit yeṭṭef tnac n texxamin yellan mgal yilem ɣef uḍebsi.

Sḍis n rrhun ɣef sin wuṭṭunen, sḍis n yijiṭunen, tnac n wuṭṭunen: seg 27 ar 33 ɣef uḍebsi. Taprubabilit 32,43%, agmuḍ ačuran +12 n yiferdisen ɣef yal rrbeḥ.
Rrhun ɣef sin wuṭṭunen
5-8, 10-11, 13-16, 23-24, 27-30, 33-36. Sḍis n yijiṭunenidrimenAjiṭunTamatart i d-yemmalen azal yettwasbedden, yettwasersen ɣef tfelwit akken ad yili rrehn. Daɣen: check.Ɣer akk →, yal yiwen d rrehn ɣef sin wuṭṭunenrrehnSin wuṭṭunenSin wuṭṭunen yemyuḍanen, ixelleṣ 17:1.Ɣer akk → i yettxelleṣen 17 ɣef 1. Tnac-nni n wuṭṭunen teddun ttemḍafaren ɣef uḍebsi seg 27 ar 33: 27 13 36 11 30 8 23 10 5 24 16 33. Yettwabder s «tiers» (tiers du cylindreFR · tagzemtTiers du cylindre«Tulut n uḍebsi»: tnac n wuṭṭunen zdat yilem, seg 27 ɣer 33 ɣef uḍebsi, s sḍis n rrhun ɣef sin wuṭṭunen.Ɣer akk →, tikwal «series 5/8» deg lkazinu n Lalman s yisem n rrehn amezwaru ɣef sin wuṭṭunen).
Lexlaṣ d wayen yettwaṛǧan
Yal rrbeḥ ixelleṣ 17 n yiferdisenidrimenAferdisRrehn agejdan s wacu i yettxeddem unagraw neɣ amurar. Inagrawen n usnerni ttwaglamen s yiferdisen akken ad ilin i yal ṭṭabla.Ɣer akk → ɣef yiwen n rrehn ɣef sin wuṭṭunen u ixesser semmus-nniḍen: agmuḍ ačuran +12 ɣef rrehn n 6 n yiferdisen. TaprubabilittusnaktTaprubabilitAzal n yiwen ugmuḍ ad d-yeḍru, seg 0 ɣer 1 neɣ seg 0% ɣer 100%. Yiwen wuṭṭun: 1/37 = 2,70%.Ɣer akk → 12/37. EV i yal tuzzya: (12/37)(12) − (25/37)(6) = (144 − 150)/37 = −6/37, d 2,70% n sḍis n yiferdisen. Yiwen n wayen yettwaṭṭfen am ddzinarrehnDdzina1–12, 13–24 neɣ 25–36, ixelleṣ 2:1.Ɣer akk →, ɣef uḍebsi deg wadeg n tfelwit n rrhunibenkanTafelwit n rrhunAẓeṭṭa n rrhun yettwarun ɣef ṭṭabla. Daɣen: ṭṭabla, tajellabt, aceṭṭiḍ.Ɣer akk →, s lexlaṣidrimenLexlaṣAyen i d-yettak rrehn i yerbḥen, yettwanna «X ɣef 1» nnig rrehn i d-yettuɣalen.Ɣer akk → ur nettbeddil: yal rrbeḥ ixelleṣ kif kif.
Tiers mgal ddzina
Sin-nni ṭṭfen tnac n wuṭṭunen s 32,43%. Rrehn n $30 ɣef ddzina ixelleṣ +$60 ma yerbeḥ, swaswa am sḍis n rrhun n $5 ɣef sin wuṭṭunen. D yiwen n rrehn deg lexlaṣ d taprubabilit; mgaraden kan deg tnac n wuṭṭunen i ṭṭfen d ma yella uṭṭunen-nni ttaken-d aḥric yemḍafaren. I umurar n umyal, d kullec; i umurar n unagraw, d ulac.
Ayɣer mgal yilem
Rrhun ifransisen ɣef tgezminaḍebsiTagzemtAḥric n texxamin yemmeḍfaren ɣef uḍebsi, mačči d tagrumma ɣef tfelwit.Ɣer akk → ṭṭfen aḍebsi meṛṛa: voisins du zéroFR · tagzemtVoisins du zéro«Lǧiran n yilem»: sbeɛṭac n wuṭṭunen seg 22 ɣer 25 ɣef uḍebsi, s tẓa n yijiṭunen.Ɣer akk → yettawi 17 n texxaminibenkanTaxxamtYiwet seg 37 n texxamin s wuṭṭunen ɣef uqerru yettezzin. Daɣen: slot, cup.Ɣer akk → i d-yezzin i yilemaḍebsiIlemTaxxamt tazegzawt tasuft ur yeṭṭif ula d yiwen n rrehn s lexlaṣ imsawi, n ddzina neɣ n tgejdit; d aɣbalu n lmaziyya n lkazinu. Daɣen: yiwen yilem, 0.Ɣer akk →, tiers 12 yellan mgal-as, orphelinsFR · tagzemtOrphelins«Igujilen»: tam n wuṭṭunen i d-yeqqimen deffir voisins d tiers: 17, 34, 6 d 1, 20, 14, 31, 9.Ɣer akk → 8 i d-yeqqimen deg sin n yiḥricen imecṭaḥ. Akken ma llan, ṭṭfen 37-nni meṛṛa tikkelt kan swaswa. Kraḍ-nni ttwasbedden deg Monte Carlo u ttwarun ɣef racetrackṭṭablaRacetrackAɣerdu aqerqur ɣef tfelwiyin srid d tid n tmacinin i d-yesskanen uṭṭunen s umyizwer n uḍebsi, yettwasqedcen i users n rrhun n lǧiran d tegzemt s yiwen usiti.Ɣer akk → n yal ṭṭabla srid.
Ɣef ṭṭabla
Akrupi n ṭṭabla n tidet yessers sḍis n yijiṭunen deg kra n tsinin u yettɛawad awal («tiers, cinq pièces» i semmus n yiferdisen ɣef yal yiwen). Deg Internet, yiwen usiti ɣef tqeffalt n racetrack yessers sḍis-nni. Tilisa tiddayin ttwasnasent ɣef umatu n rrehn s wawal, ihi talast tadday tagensant n $5 tettwaweḍ s sḍis n yijiṭunen n $1.
Isteqsiyen
Ala. D wis kraḍ n uḍebsi i yebɛden ugar ɣef yilem.
Tzemrem ad tsersem sḍis-nni n rrhun ɣef sin wuṭṭunen s ufus s wazal i tebɣam; rrehn s wawalṭṭablaRrehn s wawalRrehn i yettwanan i ukrupi deg wadeg ad yettwasers s ufus, s umata d rrehn ɣef tegzemt n uḍebsi am voisins neɣ tiers. Daɣen «announced bet».Ɣer akk → iman-is d sḍis n yijiṭunen imsawan.
Taḍsa i usgunfu

Tnac n texxamin, sḍis n yijiṭunen, wis kraḍ n uḍebsi.
Iɣbula
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.
- Wykes, A. The Complete Illustrated Guide to Gambling.