Confidence interval; estimate the proportion

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Dec 17th, 2014

n = 500

x= 68

p =68/500 = 0.136

Standard error = sqrt(p*(1-p)/n)) = 0.015 

95% value =1.96

Confidence interval = 0.136-1.96 *0.015, 0.136+1.96*0.015 = (0.106,0.166)

Dec 17th, 2014

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Dec 17th, 2014
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Dec 17th, 2014
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