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Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 6.2 - Problem 17e
Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 6.2 - Problem 17e

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# The strength of a certain type of rubber is tested by

ISBN: 9780073401331 38

## Solution for problem 17E Chapter 6.2

Statistics for Engineers and Scientists | 4th Edition

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Problem 17E

Problem 17E

The strength of a certain type of rubber is tested by subjecting pieces of the rubber to an abrasion test. For the rubber to be acceptable, the mean weight loss n must be less than 3.5 mg. A large number of pieces of rubber that were cured in a certain way were subject to the abrasion test. A 95% upper confidence bound for the mean weight loss was computed from these data to be 3.45 mg. Someone suggests using these data to test H0:µ > 3.5 versus H1:µ< 3.5.

a. Is it possible to determine from the confidence bound whether P<0.05? Explain.

b. Is it possible to determine from the confidence bound whetherP<0.01? Explain.

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ByAvaYim AL 3021 – SYNTAX WEEK 4 DAY 2 2018 SYNTAX (I) • Definition:the study of the internal structure of sentences • A sentence:one simple complete thought;S + V • Sentencesarenotmerelylinearstringsofwords - Ex)ThedogbarkedatJackvs.Jackparkedatthedog • Competentspeakersofalan.Haveknowledge ofsentence structure,whethertheycan explain the underlying rulesor not • Grammaticality:onepartofour syntacticknowledge o Separate frommeaningfulnessandtruthfulness - Ex)colorlessgreenideassleepfuriously - Ex)Myteacherisanalien fromMars. • Onewaywe can demonstrate our linguisticknowledge ofsyntax:ambiguoussentences  Syntactic Rules • Phrases:demonstrate ourknowledge ofwordsthat apparent

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