Rrehn ɣef yiwen wuṭṭun
Rrehn ɣef yiwen wuṭṭun deg rulit yessers ajiṭun ɣef yiwen wuṭṭun. D rrbeḥ ur nettili ara aṭas ɣef ṭṭabla, d lexlaṣ ameqqran akk, s yiwet n lmaziyya n lkazinu n 2,70% am wiyaḍ meṛṛa.

Lexlaṣ d tprubabilit n rrehn ɣef yiwen wuṭṭun
Yiwet n texxamt seg 37 i yettrebḥen: 1/37, neɣ 2,70%. Lkazinu txelleṣ 35:1. Lexlaṣ n lḥeqq ɣef 37 n texxamin yili d 36:1; aferdis-nni yexuṣṣen d lmaziyya n lkazinu.
EV i yal $1 = (1/37)(35) − (36/37)(1) = −1/37 = −$0,0270
Amedya n rrehn
Tavaryans
Lexsara yettwaṛǧan d yiwet am uzeggaɣ, maca azerreɛ n yigmaḍ mačči d yiwen. I yal adular yettwarehnen, rrehn ɣef yiwen wuṭṭun yesɛa abeɛɛed alugan n qrib 5,84 mgal 1,00 i rrehn s lexlaṣ imsawi. Deg 100 n tuzzyiwin s $10, amurar n uzeggaɣ s umata yella daxel n ±$100 ɣef wayen yettwaṛǧan; amurar n yiwen wuṭṭun s umata yella daxel n ±$584.
Tulmisin
- Agmuḍ n tlemmast n teɣimit d lexsara i yettkemmilen; alemmas yettali s rrbeḥ n 35:1 ur nettili ara yal ass.
- Arraǧu yettwaṛǧan n rrbeḥ d 37 n tuzzyiwin, u yettɣezzif ugar n wayen i ɣillen tuget n medden: deffir 37 n tuzzyiwin mazal taprubabilit n 36% ulac rrbeḥ.
- Talast tadday i rrhun igensanen, s umata, d tadday ugar i yal ajiṭun, maca s waṭas n tikkal yella wamatu adday ɣef rrhun igensanen meṛṛa.
- Rrehn ɣef yiwen wuṭṭun deg rulit qqaren-as plein deg lkazinu s tewsit tafransist.
Taḍsa i usgunfu

Yiwet n lexsara yettwaṛǧan am uzeggaɣ, s uzerreɛ yugaren aṭas.