math2.py

Created on December 08, 2022

419 Bytes

B(3;1/2)
P(X=2)=(3parmi2)*(1/2)**2*(1/2)**1

n=20 et p=0.8
P(X=17)=(20parmi17)*0.8**17*0.2**3

E(X)= 3*1/2=3/2
V(X)=3/2(1-1/2)=3/4
teta(X)=racinede3/4

Cette experience suit une loi
binomiale car elle est associé
à une répétition indépendante 
de la meme epreuve de 
Bernouilli : les parametres 
sont {n=4 et p=0.4

X ne suit pas une loi binomiale
car le nombre de répétitions
depend d'une condition

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