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(Solved): 7. A manufacturer of sports equipment has developed a new synthetic fishing line that the company c ...




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7. A manufacturer of sports equipment has developed a new synthetic fishing line that the company claims has a mean breaking strength of 8 kilograms with a standard deviation of 0.5 kilogram. Test the hypothesis that kilograms against the alternative that kilograms if a random sample of 50 lines is tested and found to have a mean breaking strength of 7.8 kilograms. Use a 0.01 level of significance.


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