The article "Probabilistic Risk Assessment of Infrastructure Networks Subjected to Hurricanes"t suggests a uniform distribution as a model for the actual landfall position of the eye of a hurricane. Consider the random variable x = distance of actual landfall from predicted landfall. Suppose that a uniform distribution on the interval that ranges from 0 km to 400 km is a reasonable model for x. (a) What is the probability that x is at most 300? (b) What is the probability that x is between 300 and 450? (c) What is the probability that x is between 150 and 300? (d) Explain why the probabilities calculated in parts (b) and (c) are equal.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Question
4
= 0.0025, and the probability of interest was determined to be P(xs 300). The distribution curve is
400
The height of the distribution curve was determined to be
as follows.
0.0030
0.0025
0.0020
0.0015
0.0010
0.0005
0.0000
100
200
300
400
The probability
Since the distribution is valid only for x values between 0 and 400, the rectangle representing P(x s 300) will have a base length of
0.0025.
of the event that x is at most 300 will be the area of the rectangle with this base and height
Substitute these values to find the desired probability.
P(x s 300) = (base)(height)
)(0.0025)
Density
Transcribed Image Text:= 0.0025, and the probability of interest was determined to be P(xs 300). The distribution curve is 400 The height of the distribution curve was determined to be as follows. 0.0030 0.0025 0.0020 0.0015 0.0010 0.0005 0.0000 100 200 300 400 The probability Since the distribution is valid only for x values between 0 and 400, the rectangle representing P(x s 300) will have a base length of 0.0025. of the event that x is at most 300 will be the area of the rectangle with this base and height Substitute these values to find the desired probability. P(x s 300) = (base)(height) )(0.0025) Density
The article "Probabilistic Risk Assessment of Infrastructure Networks Subjected to Hurricanes"t suggests a uniform distribution as a model for the actual landfall
position of the eye of a hurricane. Consider the random variable x = distance of actual landfall from predicted landfall. Suppose that a uniform distribution on the
interval that ranges from 0 km to 400 km is a reasonable model for x.
(a) What is the probability that x is at most 300?
(b) What is the probability that x is between 300 and 450?
(c) What is the probability that x is between 150 and 300?
(d) Explain why the probabilities calculated in parts (b) and (c) are equal.
Transcribed Image Text:The article "Probabilistic Risk Assessment of Infrastructure Networks Subjected to Hurricanes"t suggests a uniform distribution as a model for the actual landfall position of the eye of a hurricane. Consider the random variable x = distance of actual landfall from predicted landfall. Suppose that a uniform distribution on the interval that ranges from 0 km to 400 km is a reasonable model for x. (a) What is the probability that x is at most 300? (b) What is the probability that x is between 300 and 450? (c) What is the probability that x is between 150 and 300? (d) Explain why the probabilities calculated in parts (b) and (c) are equal.
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