What is POISSON.DIST function in Excel?
The POISSON.DIST function is one of the Statistical functions of Excel.
It returns the Poisson distribution.
We can find this function in Statistical of insert function Tab.
How to use POISSON.DIST function in excel
- Click on an empty cell (like F5).

2. Click on the fx icon (or press shift+F3).

3. In the insert function tab you will see all functions.
4. Select STATISTICAL category.
5. Select POISSON.DIST function.
6. Then select ok.

7. In the function arguments Tab you will see POISSON.DIST function.
8. X is the number of events.
9. Mean is the expected numeric value, a positive number.
10. Cumulative is a logical value: for the cumulative Poisson probability, use TRUE; for
the Poisson probability mass function, use FALSE.
11. You will see the results in the formula result section.