document.write( "Question 821573: Construct a 95% confidence interval for the population mean, μ. Assume the population has a
\n" ); document.write( "normal distribution. A sample of 25 randomly English majors has a mean test score of 81.5 with a
\n" ); document.write( "standard deviation of 10.2.
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Algebra.Com's Answer #494243 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( "A sample of 25 randomly English majors has a mean test score of 81.5 with a
\n" ); document.write( "standard deviation of 10.2.
\n" ); document.write( "ME = \"1.96%2810.2%2Fsqrt%2825%29%29\" = 3.9984
\n" ); document.write( "95% confidence interval for the population mean, μ.
\n" ); document.write( " 81.5 - 4< \"mu\" < 81.5 + 4 \n" ); document.write( "
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