# Ask for help on Poisson Distribution~~~ Hurry,hurry!!!

• April 23rd 2009, 02:44 PM
ryusukekenji
Ask for help on Poisson Distribution~~~ Hurry,hurry!!!
May I know what is the formula circled??? Gamma distributions??? or ????(Thinking)
• April 23rd 2009, 06:07 PM
mr fantastic
Quote:

Originally Posted by ryusukekenji
May I know what is the formula circled??? Gamma distributions??? or ????(Thinking)

The definition is given further down the document ....
• April 23rd 2009, 08:33 PM
matheagle
This looks like a birth/death process.
What I don't like is that the $\lambda$ and $\mu$ don't have subscripts and yet they depend on i and j.
A good question is what is $\alpha_i$ and $\beta_j$.
• April 24th 2009, 04:46 PM
ryusukekenji
May I know what is it means "birth/death process"???
• April 25th 2009, 09:40 PM
ryusukekenji
it seems a weighted poisson function.... thanks budies then~ (Evilgrin)
• April 25th 2009, 10:25 PM
matheagle
Quote:

Originally Posted by ryusukekenji
May I know what is it means "birth/death process"???

Birth-death process - Wikipedia, the free encyclopedia
• April 25th 2009, 11:00 PM
ryusukekenji
Quote:
thanks dude~ (Evilgrin)