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A simple random sample with n = 56 provided a sample mean of 24.5 and a sample standard
deviation of 4.4. (Round your answers to one decimal place.)
(b)
Develop a 95% confidence interval for the population mean.
(c)
Develop a 99% confidence interval for the population mean.

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  • 1. A simple random sample with n = 56 provided a sample mean of 24.5 and a sample standard deviation of 4.4. (Round your answers to one decimal place.) (b) Develop a 95% confidence interval for the population mean. (c) Develop a 99% confidence interval for the population mean.