1. The mean number of hours of flying time for pilots at Continental Airlines is 49 hours per month (The Wall Street Journal). This mean was based on actual flying times for a sample of 100 Con- tinental pilots and the sample standard deviation was 8.5 hours. Provide 95% confidence interval estimate in this case?
1. The mean number of hours of flying time for pilots at Continental Airlines is 49 hours per month (The Wall Street Journal). This mean was based on actual flying times for a sample of 100 Con- tinental pilots and the sample standard deviation was 8.5 hours. Provide 95% confidence interval estimate in this case?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 25SGR
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