8.12a
Posted: Sun Jul 10, 2022 10:23 am
8.12a
According to a study of political prisoners, the mean duration of imprisonment for 36 prisoners with chronic post-traumatic stress disorder (PTSD) was 31.2 months. Assuming that o = 45 months, determine a 90% confidence interval for the mean duration of imprisonment, μ, of all political prisoners with chronic PTSD. Interpret your answer in words. Click here to view Page 1 of the table of areas under the standard normal curve. Click here to view Page 2 of the table of areas under the standard normal curve. A 90% confidence interval for the population mean is from months to (Round to one decimal place as needed.) months.
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