For a normal population with known variance 2, answer the following questions: (a) What is the confidence

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For a normal population with known variance σ2, answer the following questions: (a) What is the confidence level for the interval x – 2.14σ/√n?
(b) What is the confidence level for the interval x – 2.149σ/√n?
(c) What is the confidence level for the interval x – 1.85σ/√n?
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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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