(Answered) A simple random sample of 10 households the number stereos

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A simple random sample of 10 households the number stereos that each household had is as follows: 4, 2, 2, 1, 4, 2, 1, 3, 5, 2. Assume that it is reasonable to believe that the population is approximately normal and the population standard deviation is 0.49. What is the lower bound of the 95% confidence interval for the mean number of stereos?

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