State the null and alternative hypothesis in each case.(a)

Applied Statistics and Probability for Engineers | 6th Edition | ISBN: 9781118539712 | Authors: Douglas C. Montgomery, George C. Runger

Problem 31E Chapter 9.2

Applied Statistics and Probability for Engineers | 6th Edition

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Applied Statistics and Probability for Engineers | 6th Edition | ISBN: 9781118539712 | Authors: Douglas C. Montgomery, George C. Runger

Applied Statistics and Probability for Engineers | 6th Edition

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Problem 31E

State the null and alternative hypothesis in each case.

(a) A hypothesis test will be used to potentially provide evidence that the population mean is more than 10.

(b) A hypothesis test will be used to potentially provide evidence that the population mean is not equal to 7.

(c) A hypothesis test will be used to potentially provide evidence that the population mean is less than 5.

Step-by-Step Solution:
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UNIT 10 – Testing Hypothesis About Proportions Standardized Value (z-score, z*) – # of standard deviations an observation lies away from the mean Z = pp̂ – p = ( value – mean ) √ pq ÷ n standard deviation Hypothesis – statement about the population distribution parameter (ex: p), usually claims the parameter takes on a specific value Class Example: Study to see in...

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Chapter 9.2, Problem 31E is Solved
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Textbook: Applied Statistics and Probability for Engineers
Edition: 6th
Author: Douglas C. Montgomery, George C. Runger
ISBN: 9781118539712

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