SOLUTION: In a recent poll 73% of 3011 adult surveyed said they use the Internet. construct a 98% confidence interval for the proportion of all adults use the Internet

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Question 875405: In a recent poll 73% of 3011 adult surveyed said they use the Internet. construct a 98% confidence interval for the proportion of all adults use the Internet
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi
ME(In %) = z*sqrt(pq/n) = 2.326%2Asqrt%28%28.73%29%28.27%29%2F3011%29= .019 0r 2%
CI: 73%-ME < u < 73% + ME