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Several years? ago, the reported mean age of an inmate on death row was 44.2 years....

Several years? ago, the reported mean age of an inmate on death row was 44.2 years. A sociologist wondered whether the mean age of a? death-row inmate has changed since then. She randomly selects 40 ?death-row inmates and finds that their mean age is 42.4?, with a standard deviation of 8.6. Construct a 95?% confidence interval about the mean age of death row inmates. What does the interval? imply? Construct a 95?% confidence interval about the mean age. ?( , ?) ?(Use ascending order. Round to two decimal places as? needed.)

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