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2.The weights of full boxes of LaRussOh's cereal are normally distributed with a population standard deviation of 0.27 oz. A random sample of 18 boxes

2.The weights of full boxes of LaRussOh's cereal are normally distributed with a population standard deviation of 0.27 oz. A random sample of 18 boxes of this cereal produced a mean weight of 9.87 oz. Find the 90% confidence interval for the mean weight of all boxes of LaRussOh's. Be sure to interpret your answer.

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