Vehicles are known to arrive according to a poisson process at a specific spot on a highway. Vehicles are tallied at 20-seconds interval, with 150 of these intervals be in 20 seconds intervals. In 20 of the 150 periods, no automobiles have arrived. Estimate the number of these 150 intervals in which four automobiles arrive at the same time.

Vehicles are known to arrive according to a poisson process at a specific spot on a highway. Vehicles are tallied at 20-seconds interval, with 150 of these intervals be in 20 seconds intervals. In 20 of the 150 periods, no automobiles have arrived. Estimate the number of these 150 intervals in which four automobiles arrive at the same time.

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter4: Traffic Engineering Studies

Section: Chapter Questions

Problem 17P

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