document.write( "Question 939125: A statistic practitioner took a random sample of 50 observations from a population with a standard deviation of 25 and computed the sample mean to be 100. estimate the population mean with 99% confidence. \n" ); document.write( "

Algebra.Com's Answer #572176 by ewatrrr(24785) $\"\"$ $\"About$

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ME = 2.576(25/sqrt(50)) = 9 rounded
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document.write( " = CI	z = value
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document.write( "90%	z =1.645
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document.write( "92%	z = 1.751
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document.write( "95%	z = 1.96
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document.write( "98%	z = 2.326
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document.write( "99%	z = 2.576
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