SOLUTION: In a recent survey of 1192 students, 965 of them would like to recommend www.helpyourmath.com to their friends. Construct a 99% confidence interval to estimate the proportion of al

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Question 1197906: In a recent survey of 1192 students, 965 of them would like to recommend www.helpyourmath.com to their friends. Construct a 99% confidence interval to estimate the proportion of all students who would recommend www.helpyourmath.com to their friends.
Give your answers to three decimals: ( ______ , ______ )
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
n = 1192, p = 965/1192 = .810
99% CI, z = 2.576
ME = z%2Asqrt%28%28p%281-p%29%29%2Fn%29
Plug and Play
ME = 2.576%2Asqrt%28%28.81%28.19%29%29%2F1192%29= .029
.810 ± .029generates CI(.781,.839)