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A simple random sample with n = 55 provided a sample mean of 24.5 and a sample...

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Question

Statistics

A simple random sample with

n = 55

provided a sample mean of 24.5 and a sample standard deviationof 4.4. (Round your answers to one decimal place.)

A. Develop a 90% confidence interval for the populationmean.

B. Develop a 95% confidence interval for the populationmean.

C. Develop a 99% confidence interval for the populationmean.

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