Espérance mathématique d'une variable aléatoire discrète (vidéo)
4:32
Khan Academy
Espérance mathématique d'une variable aléatoire discrète (vidéo)
L'espérance mathématique d'une variable aléatoire discrète est la moyenne de tous les résultats possibles, pondérés par leur probabilité. Cette espérance mathématique correspond à la moyenne des résultats que l'on obtiendrait, pour la variable aléatoire, après un nombre d'essais infini.
Oct 6, 2017
Maths Tricks
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