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PLEASE ANSWER ANY TWO   A)A roadway with a capacity of 4000 vph has 15 minute arrivals of 1000, 500, 500, and 2000 during the peak hour. The queue at the end of the hour is most likely.   B)A 3ft detector is used along a highway to help measure density. What is the density (in vpmpl) if the detector is occupied 50 percent of the time. Assume 28 ft veh length. C)If vehicles arrive at a rate of 360 vph, what is the probability of exactly 2 vehicles arriving in 20 seconds? (2 to decimals) D)How many vehicles have "arrived" if for 3 straight 15 minute periods the arrival rates are 240 vph, 400 vph, 600 vph?

PLEASE ANSWER ANY TWO   A)A roadway with a capacity of 4000 vph has 15 minute arrivals of 1000, 500, 500, and 2000 during the peak hour. The queue at the end of the hour is most likely.   B)A 3ft detector is used along a highway to help measure density. What is the density (in vpmpl) if the detector is occupied 50 percent of the time. Assume 28 ft veh length. C)If vehicles arrive at a rate of 360 vph, what is the probability of exactly 2 vehicles arriving in 20 seconds? (2 to decimals) D)How many vehicles have "arrived" if for 3 straight 15 minute periods the arrival rates are 240 vph, 400 vph, 600 vph?

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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PLEASE ANSWER ANY TWO

 

A)A roadway with a capacity of 4000 vph has 15 minute arrivals of 1000, 500, 500, and 2000 during the peak hour. The queue at the end of the hour is most likely.

 

B)A 3ft detector is used along a highway to help measure density. What is the density (in vpmpl) if the detector is occupied 50 percent of the time. Assume 28 ft veh length.

C)If vehicles arrive at a rate of 360 vph, what is the probability of exactly 2 vehicles arriving in 20 seconds? (2 to decimals)

D)How many vehicles have "arrived" if for 3 straight 15 minute periods the arrival rates are 240 vph, 400 vph, 600 vph?

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