document.write( "Question 1173020: Construct the indicated confidence interval for the population mean using the​ t-distribution. Assume the population is normally distributed.
\n" ); document.write( "c=.90​,X=12.3, S=4.0, n=6 \n" ); document.write( "
Algebra.Com's Answer #798183 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi, ME =\"+z%2Asigma%2Fsqrt%28n%29\"
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document.write( "c=.90​,X=12.3, S=4.0, n=6
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document.write( "DF = 6-1 = 5 , First column:  z = 2.015
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document.write( "0.1 0.05 0.02 0.01
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document.write( "2  2.9200  4.3026  6.9646  9.9247  14.0887  
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document.write( "3  2.3534  3.1824  4.5407  5.8408  7.4534  
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document.write( "4  2.1319  2.7764  3.7470  4.6041  5.5976 
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document.write( "5  2.0150  2.5706  3.3650  4.0322  4.7734  
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document.write( "6  1.9432  2.4469  3.1426  3.7074  4.3168  
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document.write( "ME =\"+2.015%2A4%2Fsqrt%286%29\" = 3.29
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document.write( "12.3 - 3.29 < \"mu\" < 12.3 + 3.29
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document.write( "  9.01 < \"mu\" < 15.59
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document.write( "    9.0 < \"mu\" < 15.6
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document.write( "Generally: Round the confidence interval limits to the same number of decimal places as the sample standard deviation\r
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