document.write( "Question 861054: If a population has a standard deviation of 16, what is the minimum number of samples that need to be averaged in order to be 95% confident that the average of the means is within 3 of the true mean? \n" ); document.write( "

Algebra.Com's Answer #518806 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "ME = 
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document.write( "   = 110 rounded up to a whole sample
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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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