document.write( "Question 1003594: Forty-nine items are randomly selected from a population of 500 items. The sample mean is 40 and the sample standard deviation 9.
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document.write( "Develop a 99% confidence interval for the population mean. \r
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document.write( " The confidence interval is between _________and__________ \n" );
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Algebra.Com's Answer #620294 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Forty-nine items are randomly selected from a population of 500 items. The sample mean is 40 and the sample standard deviation 9. \n" ); document.write( "------------------- \n" ); document.write( "Develop a 99% confidence interval for the population mean. \n" ); document.write( "Sample mean = 40 \n" ); document.write( "ME = 2.5758[9/sqrt(49)] = 3.312 \n" ); document.write( "-----\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "The confidence interval is between 40-3.312 and 40+3.312 \n" ); document.write( "--------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------ \n" ); document.write( " |