Eat your cereal: Boxes of cereal are labeled as containing

14

ounces. Following are the weights, in ounces, of a sample of

12

boxes. It is reasonable to assume that the population is approximately normal.

13.01	14.96	13.10	13.11	13.09	13.01
13.14	14.96	13.04	13.03	13.10	13.11

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(a) Construct a

90%

confidence interval for the mean weight. Round the answers to at least three decimal places.

A

90%

confidence interval for the mean weight is

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