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# In a sample of 20 bolts, the average breaking torque was ISBN: 9780073401331 38

## Solution for problem 2E Chapter 5.9

Statistics for Engineers and Scientists | 4th Edition

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Problem 2E

In a sample of 20 bolts, the average breaking torque was 89.7 J with a standard deviation of 8.2 J. Assume that the breaking torques are normally distributed.

a. Find a 99% prediction interval for the breaking torque of a single boll.

b. Find a tolerance interval for the breaking torque that includes 95% of the bolts with 99% confidence.

Step-by-Step Solution:
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PSYCH STATS POWERPOINT CHAPTER ONE ● 3 types of stats ○ values ■ batting averages, crime rates, etc. ○ procedures ○ field of study ■ using and applying stats to answer questions ● statistics are the tools we use to learn about various phenomenon ● 3 main functions: ○ organize ○ summarize...

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##### ISBN: 9780073401331

Since the solution to 2E from 5.9 chapter was answered, more than 273 students have viewed the full step-by-step answer. This full solution covers the following key subjects: breaking, torque, interval, Find, bolts. This expansive textbook survival guide covers 153 chapters, and 2440 solutions. This textbook survival guide was created for the textbook: Statistics for Engineers and Scientists , edition: 4. The answer to “In a sample of 20 bolts, the average breaking torque was 89.7 J with a standard deviation of 8.2 J. Assume that the breaking torques are normally distributed.a. Find a 99% prediction interval for the breaking torque of a single boll.________________b. Find a tolerance interval for the breaking torque that includes 95% of the bolts with 99% confidence.” is broken down into a number of easy to follow steps, and 58 words. The full step-by-step solution to problem: 2E from chapter: 5.9 was answered by , our top Statistics solution expert on 06/28/17, 11:15AM. Statistics for Engineers and Scientists was written by and is associated to the ISBN: 9780073401331.

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