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Probability and Statistics for Engineering and the Sciences | 9th Edition | ISBN: 9781305251809 | Authors: Jay L. Devore
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Ch 4 - 17E, 9th Edition

Chapter 4, Problem 17E

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QUESTION:

Problem 17E

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QUESTION:

Problem 17E

ANSWER:

Answer :

Step 1 :

Given "A Model of Pedestrians' Waiting Times for Street Crossings at Signalized Intersections"

suggested that under some circumstances the distribution of waiting time X could be modeled with the following pdf:

Now we have to draw a graph f (x; θ, 80) and given values of θ = 4, 1, and .5.

Put θ = 4.

We are using excel to find the  .

Here we know that

Then we calculated the table is given.

0

0.05

40

0.00625

1

0.04814834

41

0.005792871

2

0.046342969

42

0.005358594

3

0.044583301

43

0.004946582

4

0.04286875

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