declic2de30plusp376.py

Created by gilles-dhaussy

Created on June 12, 2024

710 Bytes

from random import random
from math import sqrt
from matplotlib.pyplot import *

def frequence(n):
  Nombre=0
  for i in range(n):
    if random()<0.66:
        Nombre=Nombre+1
  return Nombre/n

def calcul(n,N):
  Compt=0
  for i in range(N):
    f=frequence(n)
    if abs(f-0.66)<=1/sqrt(n):
      Compt=Compt+1
  return Compt/N

def graphique(n,N):
  plot([0,N],[0.66,0.66],color='black')
  Lx=list(range(1,N+1))
  Ly=[]
  for i in range(N):
    f=frequence(n)
    Ly.append(f)
  legende="n={} et N={}".format(n,N)
  text(0.5*N,1.04,legende)
  scatter(Lx,Ly,color='green')
  axis((-0.05*N,1.05*N,-0.05,1.05))
  show()

graphique(400,80)
print(calcul(100,80))
print(calcul(400,80))

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