In commuting to work, a professor must first get on a bus near her house and then transfer to a second bus. If the waiting time (in minutes) at each stop has a uniform distribution with A = 0 and B = 10, then it can be shown that the total waiting time Y has the pdf f(y): = 100 Y - 0 ≤ y ≤ 10 10 ≤ y ≤ 20 a. Sketch a graph of the pdf of Y (do on your own paper, you will not be turning this in. It is for your reference only.) b. Verify that f* f (y)dy = 1 ·∞ [ 1 (u)dy=[ -∞ c. What is the probability that the total waiting time is at most 8 minutes? 1 11⁰ 20 = 10 2 + d. What is the probability that the total waiting time is at most 13 minutes? = 1 e. What is the probability that the total waiting time is between 8 and 13 minutes? f. What is the probability that the total waiting time either less than 7 minutes or more than 14 minutes?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
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Chapter1: Starting With Matlab
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In commuting to work, a professor must first get on a bus near her house and then transfer to a
second bus. If the waiting time (in minutes) at each stop has a uniform distribution with A = 0 and B
= 10, then it can be shown that the total waiting time Y has the pdf
f (y) =
=
100 Y
5
10
0 ≤ y ≤ 10
10 ≤ y ≤ 20
a. Sketch a graph of the pdf of Y (do on your own paper, you will not be turning this in. It is for your
reference only.)
[ f(y)dy=[
-∞
b. Verify that [ f (y) dy =
1
10
120
10 =
1
2
+
c. What is the probability that the total waiting time is at most 8 minutes?
d. What is the probability that the total waiting time is at most 13 minutes?
=
1
e. What is the probability that the total waiting time is between 8 and 13 minutes?
f. What is the probability that the total waiting time is either less than 7 minutes or more than 14
minutes?
Transcribed Image Text:In commuting to work, a professor must first get on a bus near her house and then transfer to a second bus. If the waiting time (in minutes) at each stop has a uniform distribution with A = 0 and B = 10, then it can be shown that the total waiting time Y has the pdf f (y) = = 100 Y 5 10 0 ≤ y ≤ 10 10 ≤ y ≤ 20 a. Sketch a graph of the pdf of Y (do on your own paper, you will not be turning this in. It is for your reference only.) [ f(y)dy=[ -∞ b. Verify that [ f (y) dy = 1 10 120 10 = 1 2 + c. What is the probability that the total waiting time is at most 8 minutes? d. What is the probability that the total waiting time is at most 13 minutes? = 1 e. What is the probability that the total waiting time is between 8 and 13 minutes? f. What is the probability that the total waiting time is either less than 7 minutes or more than 14 minutes?
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