Question 1053144
ME ={{{ z*sigma/sqrt(n)}}}
0r
n = {{{ (z*sigma/ME)^2}}}
ME = .06
z = 1.645
  = CI	z = value
90%	z =1.645
92%	z = 1.751
95%	z = 1.96
98%	z = 2.326
99%	z = 2.576