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Confidence interval for the mean number of stereos

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Reference no: EM131717625

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?

Reference no: EM131717625

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