Question: A simple random sample of 60 items from a population with =5 resulted in a sample mean of 33 . (a) Provide a 90% confidence
A simple random sample of 60 items from a population with =5 resulted in a sample mean of 33 . (a) Provide a 90% confidence interval for the population mean. (b) Provide a 95% confidence interval for the population mean. (c) Provide a 99% confidence interval for the population mean
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