echantillonnage.py

Created on June 10, 2024

609 Bytes

from random import random
import matplotlib.pyplot as plt

def echantillon(p, n):
    L = []
    for i in range(n):
        if random()<p:
            L.append(1)
        else:
            L.append(0)
    return L

def fluct_echant(nb_echant, p, n):
    L_freq = []
    for i in range(nb_echant):
        eff = 0
        for i in range(n):
            if random()<p:
                eff += 1
        freq = eff/n
        L_freq.append(freq)
    L_num = list(range(1,nb_echant+1))
    plt.plot([1,nb_echant],[p,p], color='red')
    plt.scatter(L_num, L_freq, color='blue')
    plt.show()

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