A simple random sample of size n is drawn from a population that is normally distributed. standard deviation, s, is found to be 5.1. (a) Construct a 98% confidence interval about u if the sample size, n, is 35. (b) Construct a 98% confidence interval about u if the sample size, n, is 54. How does increasing the sample size affect the margin of error, E? (c) Construct a 99% confidence interval about u if the sample size, n, is 35. How does increasing the level of confidence affect the size of the margin of error, E? (d) If the sample size is 25, what conditions must be satisfied to compute the confidence interval? C... (a) Construct a 98% confidence interval about u if the sample size, n, is 35. Lower bound:; Upper bound: (Round to two decimal places as needed.)

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