Question
In a sample of 35 hip surgeries of a certain type, the average surgery time was 140 minutes with a standard deviation of 12 minutes.
In a sample of 35 hip surgeries of a certain type, the average surgery time was 140 minutes with a standard deviation of 12 minutes. Construct a 90% confidence interval for the mean surgery time for this procedure.
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Introduction To Probability Models
Authors: Sheldon M Ross
12th Edition
0128143460, 9780128143469
