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mrzbrooks mrzbrooks
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The U.S. Department of Transportation would like to estimate the average round-trip domestic airfare during the summer with a 95% confidence level and a margin of error within plus or minus $25. Assuming the standard deviation for round-trip domestic airfares during the summer is $120, determine the required sample size.
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Business Statistics


Edition: 2nd
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kangelinekangeline
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