A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x, is found to be 101, and the sample standard deviation, s, is found to be 8. (a) Construct a 98% confidence interval about u if the sample size, n, is 24. (b) Construct a 98% confidence interval about u if the sample size, n, is 18. (c) Construct a 95% confidence interval about u if the sample size, n, is 24,

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