a. From the information given here determine the 95% confidence interval estimate of the population mean. x

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a. From the information given here determine the 95% confidence interval estimate of the population mean.

x̄ = 100 σ = 20 n = 25

b. Repeat part (a) with x = 200.

c. Repeat part (a) with x = 500.

d. Describe what happens to the width of the confidence interval estimate when the sample means increases.

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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 08:49 AM

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a. From the information given here determine the 95% confidence interval estimate of the population mean. x

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a 100 19620 100 784 LCL 9216 UCL 1078...View the full answer

Statistics For Management And Economics Abbreviated

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