%
% problem 241
% example 207
% 
% Written by:
% -- 
% John L. Weatherwax                2008-02-20
% 
% email: wax@alum.mit.edu
% 
% Please send comments and especially bug reports to the
% above email address.
% 
%-----

clear all; 
close all; 
clc; 

xbar   = 47.2; 
mu0    = 45; 
sigmaX = 5; 
n      = 100; 
z0 = (xbar-mu0)/(sigmaX/sqrt(n))