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A simple random sample of 60 items from a population with σ = 8 resulted in...

A simple random sample of 60 items from a population with

σ = 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.

B. Provide a 95% confidence interval for the population mean.

C.Provide a 99% confidence interval for the population mean.

Math   Statistics-And-Probability   
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