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just a brief explanation and answers and thank you in advance QUESTION 8 The sodium content of twenty 300-gram boxes of organic cornflakes was determined.

just a brief explanation and answers and thank you in advance

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QUESTION 8 The sodium content of twenty 300-gram boxes of organic cornflakes was determined. The data (in milligrams) are as follows: 131.29 130.63 130.91 129.54 129.64 128.77 130.72 128.33 128.24 129.65 130.14 129.29 128.71 129.00 129.39 130.42 129.53 130.12 129.78 130.92 (a) Test the hypothesis Upper H 0 mu equals 130 versus H 1 mu not-equals 130. Compute the p_value. QUESTION 9 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: mu >=12 against H1: mu

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