Textbook ExpertVerified Tutor
20 Dec 2021
Given information
The population's average delay is 
minutes, with a maximum variance of 
minutes.
minutes, with a maximum variance of minutes.The sample average is 
minutes, with a -minute standard deviation.
minutes, with a -minute standard deviation.With a sample size of 
flights, a second test on the claim of average delay was conducted.
flights, a second test on the claim of average delay was conducted.Step-by-step explanation
Step 1.
When we have more information on the average latency and the new sample size, we may use the t-distribution. The t-distribution equation is as follows.
The sample standard deviation and sample size are denoted by S and n, respectively.
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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208
Solutions
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