partie5_ex89.py

Created by cahier-indice-algo-1gen

Created on April 22, 2022

317 Bytes

L1 = [50, 0, -20]
L2 = [0.125, 0.5, 0.375]

def jeu(V, P):
    E = 0
    for k in range(len(V)):
        E = E + V[k] * P[k]
    return E

from math import sqrt

def var_ecart(V, P):
    var = 0
    for k in range(len(V)):
        var = var + (V[k] - jeu(V, P))**2 * P[k]
    return var, sqrt(var)