One year, the mean age of an inmate on death row was 38.9 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 38.1, with a standard deviation of 8.7. 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: Tupo integere or docimale. Do not round y