A random sample of size 81 is drawn from a population with a standard deviation of 12.

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A random sample of size 81 is drawn from a population with a standard deviation of 12. If only 18% of the time a sample mean greater than 300 is obtained, what is the mean of the population?

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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 04:25 AM

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A random sample of size 81 is drawn from a population with a standard deviation of 12.

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n 81 12 P 300 18 5000 1800 3200 and from T...View the full answer

Business Statistics for Contemporary Decision Making

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