The time interval between the arrivals of successive planes at a certain airport is measured by a

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The time interval between the arrivals of successive planes at a certain airport is measured by a random variable X with probability density function


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where x is the time (in minutes) between the arrivals of a randomly selected pair of successive planes.


a. What is the probability that two successive planes selected at random will arrive within 5 minutes of one another?


b. What is the probability that two successive planes selected at random will arrive more than 6 minutes apart?


c. If Tony arrives at the airport just in time to see a plane landing, how long would he expect to wait for the next arriving flight?

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Related Book For  answer-question

Calculus For Business, Economics And The Social And Life Sciences

ISBN: 9780073532387

11th Brief Edition

Authors: Laurence Hoffmann, Gerald Bradley, David Sobecki, Michael Price

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