Mathematics, 19.03.2021 01:00, rleiphart1

One year, the mean age of an inmate on death row was years. A sociologist wondered whether the mean age of a death-row inmate has changed since then. She randomly selects death-row inmates and finds that their mean age is , with a standard deviation of . Construct a 95% confidence interval about the mean age. What does the interval imply?

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One year, the mean age of an inmate on death row was years. A sociologist wondered whether the mean...