document.write( "Question 861061: A researcher wants to determine a 95% confidence interval for the mean number of hours that UMKC students
\n" ); document.write( "spend doing homework per week. Suppose she knows that the standard deviation for hours spent per week
\n" ); document.write( "by all UMKC students doing homework is 7. She allows the estimate to be within 1.5 hours of the population
\n" ); document.write( "mean.
\n" ); document.write( "(a) What is the maximum error of estimate she allows?
\n" ); document.write( "(b) How large a sample should the researcher select so that the estimate will be within 1.5 hours of the
\n" ); document.write( "population mean? \n" ); document.write( "

Algebra.Com's Answer #518809 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "ME =
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document.write( "            n =  = 82 rounded Up \n" );
document.write( "

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