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. 13.02 14.97 13.11 13.12 13.10 13.02 Ed 13.15 14.97 14.05 13.04 13.11 13.12 Send data to Excel Part: 0 / 2 olo Part 1 of 2 (a) Construct an 80% confidence interval for the mean weight. Round the answers to at least three decimal places. An 80% confidence interval for the mean weight is