5.5 poisson distributions Flashcards
1
Q
what is a poisson distribution?
A
a discreet probability distribution that applies to occurrences of some event over a specified interval
2
Q
x in a poisson distribution?
A
the number of occurrences of the event in an interval
3
Q
parameters of the poisson distribution?
A
mu = mean sigma = standard deviation = sqrt mu
4
Q
formula for P(x) in a poisson probability distribution
A
do it P(x) =
5
Q
formula for mu in a probability distribution
A
do it mu =
6
Q
formula for sigma in a probability distribution
A
do it sigma =
