Acereal manufacturer is concerned that the boxes of cereal not be under filled or overfilled.
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Mathematics, 18.11.2019 21:31 saucyboyFredo
Acereal manufacturer is concerned that the boxes of cereal not be under filled or overfilled.
each box of cereal is supposed to contain 13 ounces of cereal.
a random sample of 31 boxes is tested.
the average weight is 12.58 ounces and the standard deviation is 0.25 ounces.
calculate a confidence interval to test the hypothesis at a=.10
Answers: 3
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