Section 8.5
Probability
The area under a Probability Density Function is the probability of an event. The total area is exactly 1.
1
PDFs
.
Mean: .
Probability Density
Normal Distribution (Area = 1)
Mean (0)
SD (1)
2
Worked Example: Exponential
Waiting Time
for . Find Prob wait is under 10 min.
1. Formula
.2. Integrate
..
3. Result
. (63.2% chance).3
Level Up Examples
Mean Value
Average waiting time.
.Use Integration by Parts. Result = 10 mins.
5
Practice Quiz
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