CE 3102
Fall 2008
Thought Problem 14
Functions of Random Variables
300
200
100
0
15
10
5
0
headway
Frequency
The graph above shows a frequency distribution for vehicle headways on Irving Ave.,
between Lincoln and Franklin, in Minneapolis.
(a) Identify an appropriate probability model for these data.
(b) What is the probability of headway (gap) less than 100 seconds? Less than 10
seconds?

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