Question 852820
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
 = C	z = 1.28155
90%	z =1.645
92%	z = 1.751
95%	z = 1.96
98%	z = 2.326
99%	z = 2.576
ME = 1.96*7.5/sqrt(n) < 2,  n = 54.0225   0r   55 rounded Up
sample size necessary is 55