document.write( "Question 767168: Using excel If X = 85, σ = 8, and n = 64, construct a 95% confidence interval estimate of the population mean, µ. \n" ); document.write( "
Algebra.Com's Answer #467490 by stanbon(75887)\"\" \"About 
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Using excel If X-bar = 85, σ = 8, and n = 64, construct a 95% confidence interval estimate of the population mean, µ.
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\n" ); document.write( "sample mean = x-bar = 85
\n" ); document.write( "ME = z*s/sqrt(n) = 1.96*8/sqrt(64) = 1.96
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\n" ); document.write( "95% CI::: 85-1.96 < u < 85+1.96
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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