A statistics practitioner took a random sample of 54 observations from a population whose standard deviation is 32 and computed the sample mean to be 109. A. Estimate the population mean with 95% confidence. Confidence Interval = B. Estimate the population mean with 90% confidence. Confidence Interval = C. Estimate the population mean with 99% confidence. Confidence Interval =

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A statistics practitioner took a random sample of 54 observations from a population whose standard deviation is 32 and computed the sample mean to be 109.

A. Estimate the population mean with 95% confidence.

Confidence Interval =

B. Estimate the population mean with 90% confidence.

Confidence Interval =

C. Estimate the population mean with 99% confidence.

Confidence Interval =

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