Traffic and Highway Engineering - With Mindtap
5th Edition
ISBN: 9781305360990
Author: Garber
Publisher: CENGAGE L
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Question
Chapter 5, Problem 19P
To determine
(a)
The appropriate countermeasures while establishing crash reduction factors.
To determine
(b)
The expected reduction in crashes per year after implementation of the countermeasures.
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Problem 2
Two machines produce rivets for a factory job. The number of sub-standard rivets per hour by the two
machines are random variables, denoted by X1 and X2. The bivariate PMF of X1 and X2, Px,x,(x1,x2), is
given in the table below.
X2=0
X2=1
X2=2
X2=3
X₁-0
0.07
0.05
0.02
0.01
X₁ =1
0.05
0.16
0.12
0.02
X₁ =2
0.02
0.12
0.17
0.05
X₁ =3
0.01
0.01
0.05
0.07
Please provide a handwritten solution to the question
Please solve the question by hand with a detailed explanation of the steps.
Chapter 5 Solutions
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