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Poisson Distribution
Poisson Distribution, Probability & Statistics
9
Mathematics
Undergraduate 3
03/28/2012

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Cards

Term
The pdf for a Poisson Distribution is...
Definition
f(x) = e^(-λ) * [λ^(x) / x!] , x = 0,1, 2, 3... n
Term
Definition

http://www.freefileconvert.com/converted/4f73a9547c4b0/120328_002.mp4

 

http://www.freefileconvert.com/converted/4f73a9547c4b0/120328_001.mp4

Term

On average, Jason gets a spam email every 12 hrs. He goes on a 30 day vacation. Let x = #of spam emails received (while gone).

 

1) Find the distribution of x.

2) Calculate the probability of having 50 spam emails (while gone).

 

 

Definition
ref: http://www.youtube.com/watch?v=3-X_di2LyCA&feature=related
Term
Poisson Distribution is...
Definition
the estimation of occurrences over a specified interval of time or space
Term
Properties of Poisson Distribution are...
Definition
  • the probability of an occurrence is the same for any two (2) intervals of equal length
Term
Properties of Poisson Distribution are...
Definition
  • the occurence or non-occurrence in any interval is independent of the occurrence or non-occurrence in any other interval
Term
Properties of Poisson Distribution are...
Definition
  • no upper limit for X: 0, 1, 2, 3..., but as x increases, the probability decreases

 

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