Mathematics, 14.12.2019 00:31 rubincain698
Astore sells "16-ounce" boxes of captain crisp cereal. a random sample of 9 boxes was taken and weighed. the results were the following (in ounces): 15.5 16.2 16.1 15.8 15.6 16.0 15.8 15.9 16.2 assume the weight of cereal in a box is normally distributed. recall: x = 15.9, s = 0.25.
a) the company that makes captain crisp cereal claims that the average weight of its box is at least 16 ounces. use a 0.05 level of significance to test the company's claim. b) some customers believe that the variance of the weight of boxes with captain crisp cereal is more than 0.05 oz^2. use a = 0.10 to test the customers’ claim.
Answers: 2
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Astore sells "16-ounce" boxes of captain crisp cereal. a random sample of 9 boxes was taken and weig...
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