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university of southern california Operations And Supply Chain Management Assignment Help - A random sample

Question - A random sample of 144 observations has a mean of 20, a median of 21, and a mode of 22. The population standard deviation is known to equal 4.8. The 95.44% confidence interval for the population mean is a. 15.2 to 24.8 b. 19.200 to 20.800 c. 19.216 to 20.784 d. 21.2 to 22.8 Nov 27 2013 09:49 AM

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