A simple random sample of size n= 40 is drawn from a population. The sample mean is found to be x 121.7 and the sample standard deviation is found to be s= 12.3. Construct a 99% confidence interval...

Extracted text: A simple random sample of size n= 40 is drawn from a population. The sample mean is found to be x 121.7 and the sample standard deviation is found to be s= 12.3. Construct a 99% confidence interval for the population mean. The lower bound is (Round to two decimal places as needed.) The upper bound is (Round to two decimal places as needed.)