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.
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.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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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
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