MO22. 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: H = 12 against H, : µ< |2, using a random sample of 4 specimens. Find B for the case where the true mean elongation is 11.26 kilograms. Round your answers to 4 decimal places i.e., 0.0000. Provide all necessary solutions. 3 = Blank 1

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