Question 1058077
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Hi  
n = {{{(z/ME)^2 (p(1-p)))}}}
n = (2.576/.05)^2(.19)(.81) round UP to a whole number
 = CI	z = value
90%	z =1.645
92%	z = 1.751
95%	z = 1.96
98%	z = 2.326
99%	z = 2.576