Poisson distribution Flashcards
(5 cards)
1
Q
When does it arise
A
When we want to model the number of times an event occurs over a specific time interval
2
Q
What is the mean
A
nPi
3
Q
What is formula to find out Prob of an event occuring x amount of times
A
- you can also replace the nPi with lander
4
Q
What is the number of events per unit
A
nPi or lander
5
Q
What is the mean and variance of a poisson random variable with parameter lander
A
Lander