You are interested in estimating the the mean age of the citizens living in your community. In order to do this, you pla
Posted: Sun Jul 10, 2022 10:41 am
You are interested in estimating the the mean age of thecitizens living in your community. In order to do this, you plan onconstructing a confidence interval; however, you are not sure howmany citizens should be included in the sample. If you want yoursample estimate to be within 5 years of the actual mean with aconfidence level of 94%, how many citizens should be included inyour sample? Assume that the standard deviation of the ages of allthe citizens in this community is 25 years. (Use Excel to find theappropriate critical value and round it to 3 decimal places.)Sample Size: