a. In a random sample of 500 observations drawn from a normal population, the sample mean and

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a. In a random sample of 500 observations drawn from a normal population, the sample mean and sample standard deviation were calculated as x̄ = 350 and s = 100. Estimate the population mean with 99% confidence.

b. Repeat part (a) assuming that you know that the population standard deviation is σ = 100.

c. Explain why the interval Estimates were virtually identical.

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Statistics For Management And Economics Abbreviated

ISBN: 9781285869643

10th Edition

Authors: Gerald Keller

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Question Posted: Feb 03, 2015 09:18 AM

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a. In a random sample of 500 observations drawn from a normal population, the sample mean and

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a 350 2576100500 350 1152 LCL 33848 UCL 36152 b ...View the full answer

Statistics For Management And Economics Abbreviated

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