document.write( "Question 1184880: Assume that a sample is used to estimate a population mean μ. Find the 99.5% confidence interval for a sample of size 33 with a mean of 57.1 and a standard deviation of 6.3. Enter your answer accurate to one decimal place.\r
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Algebra.Com's Answer #815587 by Boreal(15235)\"\" \"About 
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the half-interval is t(0.9975, df=32)*s/sqrt(n)
\n" ); document.write( "=3.015*6.3/sqrt(33)
\n" ); document.write( "=3.31
\n" ); document.write( "(53.80, 60.41)
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