A simple random sample of size n equals 40 is drawn from a population. The sample mean is found to be x overbar equals 120.5 and the sample standard deviation is found to be s equals 12.1 Construct a 99% confidence interval for the population mean. Question content area bottom Part 1 The lower bound is 115.33. (Round to two decimal places as needed.) Part 2 The upper bound i
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t* ≈ 2.704 (t_{0.995, 39}) Show more…
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