Posted by **Blerp** on Friday, November 16, 2012 at 11:36am.

A study conducted by an airline showed that a random sample of nine of its passengers disembarking at the Cleveland airport, took an average of 24.1 minutes to claim their luggage. From a previous survey it was willing to assume that time to claim luggage is normally distributed with a variance of 18 (min)2. A 95% confidence interval for the mean time to claim one's luggage has endpoints.

24.1 ± 8.32

24.1 ± 3.92

24.1 ± 2.77

24.1 ± 3.26

24.1 ± 9.78

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