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Please help A sample of size 11 = 54 is drawn from a normal population whose standard deviation is 6 - 6.3. The sample mean

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A sample of size 11 = 54 is drawn from a normal population whose standard deviation is 6 - 6.3. The sample mean is x = 50.79. Part: 0 / 2 Part 1 of 2 (a) Construct a 99% confidence interval for U. Round the answer to at least two decimal places. A 99% confidence interval for the mean is X

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