(solution) I need help with the following question: Forty-nine items are

(solution) I need help with the following question: Forty-nine items are

I need help with the following question:

Forty-nine items are randomly selected from a population of 500 items. The sample mean is 40 and the sample standard deviation 9.

 

Develop a 99% confidence interval for the population mean. (Round your answers to 3 decimal places.)

 

  The confidence interval is between    and