# Cincinnati/Northern Kentucky International Airport had the second highest on-time arrival rate for 2005 among the nation's busiest

## Question:

a. Develop a point estimate of the on-time arrival rate (proportion of flights arriving on time) for the airport.

b. Construct a 95% confidence interval for the on-time arrival rate of the population of all flights at the airport during 2005.

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**Related Book For**

## Statistics For Business And Economics

**ISBN:** 9780538481649

11th Edition

**Authors:** David R. Anderson, Dennis J. Sweeney, Thomas A. Williams