A textile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. The company wishes to test the hypothesis HO: u = 12 against H1:µ< 12 using a random sample of n = 4 specimens. Calculate the P-value if the observed statistic is x= 11.5. Round your final answer to five decimal places. Show all the necessary solutions.

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
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Chapter10: Force And Force-related Variables In Engineering
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A textile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12
kilograms with a standard deviation of 0.5 kilograms. The company wishes to test the hypothesis H0: µ = 12 against H1: µ < 12
using a random sample of n = 4 specimens. Calculate the P-value if the observed statistic is x = 11.5. Round your final answer to
five decimal places. Show all the necessary solutions.
P-value: Blank 1
Blank 1
Add your answer
Transcribed Image Text:A textile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. The company wishes to test the hypothesis H0: µ = 12 against H1: µ < 12 using a random sample of n = 4 specimens. Calculate the P-value if the observed statistic is x = 11.5. Round your final answer to five decimal places. Show all the necessary solutions. P-value: Blank 1 Blank 1 Add your answer
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