A simple random sample of size n 210 is drawn from a


A simple random sample of size n = 210 is drawn from a population. The sample mean is found to be overbear above x = 20.1, and the sample standard deviation is found to be s= 3.2. Construct a 90 percent confidence interval for the population mean.

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Microeconomics: A simple random sample of size n 210 is drawn from a
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