d. What is the probability that total waiting time is at most 8 min? e. What is the probability that total waiting time is between 3 and 8 min?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 67E
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3. In commuting to work, a professor must first get on a bus near her house
and then transfer to a second bus. Let Y denote the waiting time (in minutes) for the
school bus. Assume the total waiting time Y has the pdf
1
0sy<5
25
1
5 25
y < 0 or y > 10
fy) =
5 sys 10
5
Transcribed Image Text:3. In commuting to work, a professor must first get on a bus near her house and then transfer to a second bus. Let Y denote the waiting time (in minutes) for the school bus. Assume the total waiting time Y has the pdf 1 0sy<5 25 1 5 25 y < 0 or y > 10 fy) = 5 sys 10 5
d. What is the probability that total waiting time is at most 8 min?
What is the probability that total waiting time is between 3 and 8 min?
Transcribed Image Text:d. What is the probability that total waiting time is at most 8 min? What is the probability that total waiting time is between 3 and 8 min?
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