# Poisson Model

The tank of water below contains amoebas.

The amoebas are randomly distributed in the tank of water.
The mean number of amoebas that can be captured in a sample (blue square) is 4.
Press refresh to have a new set.
1) Drag the square around the grid.
Can you find a position where there are
a) 4 amoebas in the grid
b) 3 amoebas in the grid
c) 2 amoebas in the grid
d) 1 amoeba in the grid
e) 0 amoebas in the grid?
2) Click on 'big sample' button to see a sample grid that has two times the area.
What is the mean number of amoebas that can be captured in this grid?

## New Resources

## Discover Resources

## Discover Topics

Download our apps here: