Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 03 Feb 2018 My Price 6.00

Bureau of Transportation Statistics

Arrivals 2009. Will your flight get you to your destination on time? The U.S. Bureau of Transportation Statistics reported the percentage of flights that were late each month from 1995 through March of 2009. Here’s a histogram, along with some summary statistics:

 

We can consider these data to be a representative sample of all months. There is no evidence of a time trend (r = 0.07)

a) Check the assumptions and conditions for inference about the mean.

b) Find a 99% confidence interval for the true percentage of flights that arrive late.

c) Interpret this interval for a traveler planning to fly.

Answers

Maurice Tutor
(5)
Status NEW Posted 03 Feb 2018 08:02 PM My Price 6.00

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