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An i.i.d sample of size 27 is drawn from a normally distributed population N( 1, 02). The sample mean is 35.1 and the sample standard

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An i.i.d sample of size 27 is drawn from a normally distributed population N( 1, 02). The sample mean is 35.1 and the sample standard deviation is 8.8. Find the upper end of a 95% confidence interval for the true mean u. Give your answer to 4 decimal places

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