5. (5 Pts) Data was collected on the times served by prisoners released from fed

Question

5. (5 Pts) Data was collected on the times served by prisoners released from federal institutions for the first time. A 90% confidence interval is computed from independent samples of released prisoners in the fraud and firearms offense categories and found to be -12.36 to -4.96. Which of the following is the correct interpretation of the confidence interval. We are 90% confident that the true difference between the mean times served by prisoners in the fraud and firearms offense categories is in the interval from -12.36 to -4.96. a. We are 90% confident that the interval from-12.36 to-4.96 contains the true difference between the mean times served by prisoners in the fraud and firearms offense categories. b. We are 10% confident that the interval from-12.36 to-4.96 does not contain the true difference between the mean times served by prisoners in the fraud and firearms offense categories. C. We are 10% confident that the true difference between the mean times served by prisoners in the fraud and firearms offense average age of all people buying investment property is not in the interval from -12.36 to -4.96. d.

Explanation / Answer

In confidence interval we are talking about that how much confident that our population parameters lies between that interval.

So here we have 90% confidence interval.

Therefore option a) is correct.

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