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The 99% confidence interval for the mean, calculated from a sample is 2.05944 ≤ μ ≤...
The 99% confidence interval for the mean, calculated from a sample is 2.05944 ≤ μ ≤ 3.94056 . Determine the sample mean X ¯ = . Assuming that the data is normally distributed with the population standard deviation =2, determine the size of the sample n =
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