Question: 14.30. Suppose that X is normally distributed. A random sample of size 4 is obtained and the sample mean is computed. If the sum of

14.30. Suppose that X is normally distributed. A random sample of size 4 is obtained and the sample mean is computed. If the sum of the squares of the deviations of these 4 measurements from X equals 48, obtain a 95 percent (two-sided) confidence interval for E(X) in terms of X.

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