One year the mean age of an inmate on death row was 38 3 years A sociologist wondered whether the mean age of a death row inmate has changed since then She randomly selects 32 death row inmates and finds that their mean age is 36 8 with a standard deviation of 8 5 Construct a 95 confidence interval about the mean age What does the interval imply Click the icon to view the table of critical t values Choose the correct hypotheses Ho H Type integers or decimals Do not round