Interval for simple random sample

Question-

A simple random sample of 50 items from a population with σ 6 resulted in a sample mean of 32.

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

Posted Date: 3/29/2014 1:52:44 AM | Location : United Kingdom(UK)

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