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4. [-/14 Points] DETAILS ASWSBE14 8.E.014. MY NOTES ASK YOUR TE You may need to use the appropriate appendix table or technology to answer this question. A simple random sample with n = 54 provided a sample mean of 27.5 and a sample standard deviation of 4,4. (Round your answers to one decimal place.) (a) Develop a 90% confidence interval for the population mean. to (b) Develop a 95% confidence interval for the population mean. to (c) Develop a 99% confidence interval for the population mean. to