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8 s. (20 points) Consider the sample of size N = 900 from a distribution with empirical mean 7 = -3.32 and empirical standard deviation

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s. (20 points) Consider the sample of size N = 900 from a distribution with empirical mean 7 = -3.32 and empirical standard deviation s = 0.89. Find the 98% confidence interval for the mean. Use the normal Z-distribution

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