Question: A simple random sample of 60 items from a population with = 8 resulted in a sample mean of 34. (Round your answers to two

A simple random sample of 60 items from a population with

= 8 resulted in a sample mean of 34. (Round your answers to two decimal places.)

(a)Provide a 90% confidence interval for the population mean.

_______ to ________

(b)Provide a 95% confidence interval for the population mean. to (c)Provide a 99% confidence interval for the population mean. _______ to ________

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