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

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

Provide a 90% confidence interval for the population mean. (Round to two decimal places) ________ and __________

Provide a 95% confidence interval for the population mean. (Round to two decimal places) ________ and __________

Provide a 99% confidence interval for the population mean. (Round to two decimal places) ________ and __________

Math   Statistics-And-Probability   
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