In: Math
A simple random sample with n=56 provided a sample mean of 22.5 and a sample standard deviation of 4.3.
a. Develop a 90% confidence interval for the population mean (to 1 decimal).
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b. Develop a 95% confidence interval for the population mean (to 1 decimal).
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c. Develop a 99% confidence interval for the population mean (to 1 decimal).
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