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EXCEL POISSON FUNCTION
Excel POISSON Function Introduction
For a given set of parameters, the Excel POISSON function computes the Poisson Probability Increase In body or the Continuous Poisson Probability Function
Description of Excel POISSON Function
Syntax :
=POISSON( x, mean, cumulative )
Parameters :
- X – The number of occurrences for which you want the probability (must be 0). This number should be an integer; if a decimal is entered, Excel will truncate it to an integer.
- Mean – The average number of occurrences (must be 0).
- Cumulative – A logical argument indicating the kind of distribution to be computed. This might be either:
- TRUE – The cumulative distribution function should be used.
- FALSE – Make use of the probability mass function.
Step By Step Guide of POISSON Function
Example :
The Poisson Process Mass Functions with an average value (mean) of 25 is seen on the right. If you wish to determine the value of this equation at x = 20, you may use the Spreadsheet Poisson function, which is as follows: =POISSON(20, 25, FALSE) yields 0.051917469.
Key Points
- #NUM! – Occurs when either the specified x value or the supplied mean is 0.
- #VALUE! – This error occurs if any of the given parameters are not numeric.
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