Tastratijit Martingale s tikkal kraḍ

Alugen d umtawa n rrehn

Alugen agejdan d afessas: bdut s yiwen uferdisidrimenAferdisRrehn agejdan s wacu i yettxeddem unagraw neɣ amurar. Inagrawen n usnerni ttwaglamen s yiferdisen akken ad ilin i yal ṭṭabla.Ɣer akk →, sugtet rrehn i d-iteddun s kraḍ deffir lexsara, uɣalet ɣer tazwara deffir rrbeḥ. Aya yettak 1, 3, 9, 27, 81, 243, 729 deffir lexsara war aḥbas; asales n yiwen n wuṭṭun ad yemgal asuget s kraḍ. I umedya n snat n ddzinatrrehnDdzina1–12, 13–24 neɣ 25–36, ixelleṣ 2:1.Ɣer akk → dagi, yiwen uferdis i d-yettwaskanen yebɣa ad yini yiwen uferdis ɣef yal ddzina yettwafernen. Ihi tunnḍa tamezwarut tettrehin sin n yiferdisen meṛṛa, mačči yiwen.

Tafelwit n lexlaṣ ɣef snat n ddzinat

Snat n ddzinat ur nesɛi ara uṭṭunen icerken ṭṭfent 24 n texxaminibenkanTaxxamtYiwet seg 37 n texxamin s wuṭṭunen ɣef uqerru yettezzin. Daɣen: slot, cup.Ɣer akk → tiwrupiyin. Rrhun n tfelwit d wid n yal rrehn.

Amedya s leḥsab

Sersem yiwen ujiṭunidrimenAjiṭunTamatart i d-yemmalen azal yettwasbedden, yettwasersen ɣef tfelwit akken ad yili rrehn. Daɣen: check.Ɣer akk → ɣef ddzina tamezwarut d yiwen ɣef tis snat. 17 yettarra ajiṭun n ddzina tis snat ad d-yerr kraḍ n yiferdisen s yiman-is; deffir ma tekksem sin n yijiṭunen, ačuran d +1. 31 ur d-yettarra acemma, yessexsar sin. Ma tettwaḥseb tfelwitibenkanTafelwit n rrhunAẓeṭṭa n rrhun yettwarun ɣef ṭṭabla. Daɣen: ṭṭabla, tajellabt, aceṭṭiḍ.Ɣer akk → n sin n yijiṭunen d lexsara deffir 31, asuget s kraḍ n rrehn n yal ddzina yettarra tafelwit i d-iteddun 3 d 3, s ssuma n sḍis meṛṛa. Ma yella «yiwen uferdis» d amḍan meṛṛa, ad yesra abeṭṭu nniḍen d wuṭṭunen nniḍen.

Azal yettwaṛǧan d lxeṭṛ

Deg uswir n yiwen uferdis ɣef yal rrehn, agmuḍ yettwaṛǧan d (24 × 1 − 13 × 2) / 37 = −2/37 n yiferdisen. Tuṭṭfa n 24/37 d 64,865%, maca tuṭṭfa mačči d tḍamant n wazal yettwaṛǧantusnaktAzal yettwaṛǧanAlemmas n ugmuḍ n yal rrehn deg uɣawas aɣezfan. −1/37 n rrehn i yal rrehn amagnu awrupi.Ɣer akk → sennig n yilem. Yal lexsara tessuget lxeṭṛ meṛṛa s kraḍ: 2, 6, 18, 54, 162 akka ɣer zdat s umtawa-a. Afham s yiwen n rrehn s lexlaṣ imsawi yesɛa lexlaṣidrimenLexlaṣAyen i d-yettak rrehn i yerbḥen, yettwanna «X ɣef 1» nnig rrehn i d-yettuɣalen.Ɣer akk → nniḍen d taprubabilit nniḍen n lexsara, ihi ur ilaq ara ad yettwaxleḍ d leḥsab n snat n ddzinat.

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