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A simple random sample of size n is drawn from a population that is normally distributed. The same mean, x, is found to be 18.4,

A simple random sample of size n is drawn from a population that is normally distributed. The same mean, x, is found to be 18.4, and the sample standard deviation, s, is found to be 4.3.

A. Construct a 98% confidence interval about u if the sample size, n, is 32. Lower bound__ upper bound__ round to two decimal places

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