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A simple random sample of size n=40 is drawn from a population. The sample mean is found to be x line above=120.8 and the sample
A simple random sample of size n=40 is drawn from a population. The sample mean is found to be x line above=120.8 and the sample standard deviation is found to be s=12.1. Construct a 99% confidence interval for the population mean.
The lower bound is _
The upper bound is _
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