A random sample of 81 items is taken, producing a sample mean of 47. The population standard

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A random sample of 81 items is taken, producing a sample mean of 47. The population standard deviation is 5.89. Construct a 90% confidence interval to estimate the population mean.

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Business Statistics for Contemporary Decision Making

ISBN: 978-0470910184

6th Edition

Authors: Ken Black

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Question Posted: Mar 19, 2013 04:29 AM

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A random sample of 81 items is taken, producing a sample mean of 47. The population standard

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Business Statistics for Contemporary Decision Making

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