Confidence interval for the population mean

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According to a study of political? prisoners, the mean duration of imprisonment for 39 prisoners with chronic? post-traumatic stress disorder? (PTSD) was 32.7 months. Assuming that σ=38 ?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.

A- 90?% confidence interval for the population mean is from ? months to ? months.

Reference no: EM132948619

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