A simple random sample of size n equals 40
n=40 is drawn from a population. The sample mean is found to be x overbar equals 120.9
x=120.9 and the sample standard deviation is found to be s equals 13.2
s=13.2. Construct a 99% confidence interval for the population mean.
The lower bound is
Confidence interval for the mean is given by the formula CI =x̄ + t α/2 *s/ sqrt(n) In your... View the full answer