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A manufacturer sells a light bulb that has a mean life of

Probability and Statistical Inference | 9th Edition | ISBN: 9780321923271 | Authors: Robert V. Hogg, Elliot Tanis, Dale Zimmerman ISBN: 9780321923271 41

Solution for problem 6E Chapter 7.4

Probability and Statistical Inference | 9th Edition

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Probability and Statistical Inference | 9th Edition | ISBN: 9780321923271 | Authors: Robert V. Hogg, Elliot Tanis, Dale Zimmerman

Probability and Statistical Inference | 9th Edition

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Problem 6E

PROBLEM 6E

A manufacturer sells a light bulb that has a mean life of 1450 hours with a standard deviation of 33.7 hours. A new manufacturing process is being tested, and there is interest in knowing the mean life μ of the new bulbs. How large a sample is required so that  is a 95% confidence interval for μ? You may assume that the change in the standard deviation is minimal.

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Chapter 7.4, Problem 6E is Solved
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Textbook: Probability and Statistical Inference
Edition: 9
Author: Robert V. Hogg, Elliot Tanis, Dale Zimmerman
ISBN: 9780321923271

This textbook survival guide was created for the textbook: Probability and Statistical Inference , edition: 9. This full solution covers the following key subjects: deviation, standard, new, mean, light. This expansive textbook survival guide covers 59 chapters, and 1476 solutions. Probability and Statistical Inference was written by and is associated to the ISBN: 9780321923271. Since the solution to 6E from 7.4 chapter was answered, more than 260 students have viewed the full step-by-step answer. The answer to “A manufacturer sells a light bulb that has a mean life of 1450 hours with a standard deviation of 33.7 hours. A new manufacturing process is being tested, and there is interest in knowing the mean life ? of the new bulbs. How large a sample is required so that is a 95% confidence interval for ?? You may assume that the change in the standard deviation is minimal.” is broken down into a number of easy to follow steps, and 69 words. The full step-by-step solution to problem: 6E from chapter: 7.4 was answered by , our top Statistics solution expert on 07/05/17, 04:50AM.

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