SOLUTION: Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. Round the margin of er

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Question 1133819: Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. Round the margin of error to four decimal places.
99% confidence; n=6500; x= 1950

Answer by Glaviolette(140)   (Show Source): You can put this solution on YOUR website!
p hat would equal 1950/6500 = .3
q hat is 1 - p hat = .7
z score that corresponds to 99% CL is 2.575
ME = 2.575*sq rt (.3*.7/6500) = .0146

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