In: Statistics and Probability
A simple random sample of 90 items from a population with = 9 resulted in a sample mean of 36.
If required, round your answers to two decimal places.
a. Provide a 90% confidence interval for the
population mean.
to
b. Provide a 95% confidence interval for the
population mean.
to
c. Provide a 99% confidence interval for the population mean.