POISSON
Syntax:
POISSON ( x , mean , cumulative-flag )
Description: Computes the Poisson distribution.
Mathematical Formula:
For cumulative-flag = FALSE
:
For cumulative-flag = TRUE
:
Arguments:
Name |
Type |
Description |
---|---|---|
x |
number |
The number of events, truncated to an integer. |
mean |
number |
The expected numeric value. |
cumulative-flag |
logical |
Determines the form of the function. If |
Return Type and Value: number – The Poisson distribution.
However, if
x < 0,
#NUM!
is returned.mean ≤ 0,
#NUM!
is returned.
example: