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EXCEL POISSON.DIST FUNCTION
Excel POISSON.DIST Function Introduction
For a given parameter, the Excel POISSON.DIST function computes the Poisson Probability Increase In body or the Continuous Poisson Process Function.
Description of Excel POISSON.DIST Function
Syntax :
=POISSON.DIST( 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. The predicted number of incidents (must be 0).
- Cumulative – A logical argument indicating the kind of distribution to be computed. This might be either:
- TRUE – The cumulative distribution function is
- FALSE – The probability mass function
Step By Step Guide of POISSON.DIST Function
Example :
The Poisson Probability Mass Function with an expected value (mean) of 25 is seen on the right. If you wish to determine the value of this function at x = 20, use the Excel Poisson.Dist function, as shown below: =POISSON.DIST.DIST.DIST.DIST.DIST.D ( 20, 25, FALSE ) This yields the value 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 supplied parameters is not a number.
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