A simple random sample of size n equals n=40 is drawn from a population. The sample mean is found to be x=120.4 and the sample standard deviation is found to be s equals s=12.5. Construct a 99% confidence interval for the population mean.
a) The lower bound is __
b) The upper bound is ___
(Round to two decimal places as needed.)
Get Answers For Free
Most questions answered within 1 hours.