Question: Find a confidence interval for assuming that each sample is from a normal population. (Round the value of t to 3 decimal places andyour finalanswers

Find a confidence interval for assuming that each sample is from a normal population. (Round the value of t to 3 decimal places andyour finalanswers to 2 decimal places.) (a) x = 26, s = 5, n = 8, 90 percent confidence. The 90% confidence interval is to (b) x = 40, s = 8, n = 20, 99 percent confidence. The 99% confidence interval is to (c) x = 111, s = 11, n = 25, 95 percent confidence. The 95% confidence interval is to

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