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GeoGebraGeoGebra Classroom

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?