Business, 31.10.2019 00:31 ejsteel2

Acompany produces a women's bowling ball that is supposed to weigh exactly 14 pounds. unfortunately, the company has a problem with the variability of the weight. in a sample of 12 of the bowling balls the sample standard deviation was found to be 0.65 pounds. construct a 95% confidence interval for the variance of the bowling ball weight. assume normality. a) what is the lower limit of the 95% interval? give your answer to three decimal places. b) what is the upper limit of the 95% interval? give your answer to three decimal places.

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Acompany produces a women's bowling ball that is supposed to weigh exactly 14 pounds. unfortunately,...

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