Question 554163
If ̅Ẋ = 85, ð = 8, and n = 64 construct a 95% confidence interval estimate of the population mean, µ
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x-bar = 85
E = 1.96*[8/sqrt(64)] = 1.96
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95% CI: 85-1.96 < u < 85+1.96
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Cheers,
Stan H.
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