Refer to the data on the length (cm) of male grizzly bears given in Table D.6 of

Question:

Refer to the data on the length (cm) of male grizzly bears given in Table D.6 of the Data Bank.
(a) Find a 99% confidence interval for the population mean.
(b) Is the population mean length for all male grizzly bears in Alaska contained in this interval?
(c) Explain why you are 99% confident that it is contained in the interval.