You may need to use the appropriate appendix table or technology to answer this question. A simple random sample of 60 items from a population with σ = 8 resulted in a sample mean of 32. (Round your...

You may need to use the appropriate appendix table or technology to answer this question.

A simple random sample of 60 items from a population with

σ = 8

resulted in a sample mean of 32. (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.

Jun 03, 2022

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