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as adults how many years Of education they had. The sample mean 2.90 with a standard deviation of 3.15. It is reasonable to assume

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as adults how many years Of education they had. The sample mean 2.90 with a standard deviation of 3.15. It is reasonable to assume that the population approximately normal. Construct a 95% confidence interval for the mean number of of education. O (12.4, 13.4) O (-11.8, 37.6) O (11.0, 14.8) O (-24.6, 26.6)

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