document.write( "Question 1015233: 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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\n" ); document.write( "\n" ); document.write( "Develop a 99% confidence interval for the population mean. (Round your answers to 3 decimal places.)
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\n" ); document.write( "\n" ); document.write( " The confidence interval is between
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Algebra.Com's Answer #632763 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"CI=40+%2B-+2.58%289%2Fsqrt%2849%29%29\"
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