﻿from random import *
from math import *

def X():
    x=0
    for k in range(100):
        a=random()
        if a<=0.5877:
            x=x+1
    return x

def Proportion(N):
    y=0
    for j in range(N):
        if 49<=X()<=68:
            y=y+1
    p=y/N
    return p



