Difference between revisions of "Poisson Command"
From GeoGebra Manual
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− | ;Poisson[ <Mean | + | ;Poisson[ <Mean> ] |
− | :Returns a bar graph of a [[w:Poisson distribution|Poisson distribution]] with given mean λ. | + | :Returns a bar graph of a [[w:Poisson distribution|Poisson distribution]] with given mean ''λ''. |
− | ;Poisson[ <Mean | + | ;Poisson[ <Mean>, <Boolean Cumulative> ] |
:Returns a bar graph of a Poisson distribution when ''Cumulative = false''. | :Returns a bar graph of a Poisson distribution when ''Cumulative = false''. | ||
:Returns a bar graph of a cumulative Poisson distribution when ''Cumulative = true''. | :Returns a bar graph of a cumulative Poisson distribution when ''Cumulative = true''. | ||
:The first parameter is same as above. | :The first parameter is same as above. | ||
− | ;Poisson[ <Mean | + | ;Poisson[ <Mean>, <Variable Value v>, <Boolean Cumulative> ] |
:Let X be a Poisson random variable. | :Let X be a Poisson random variable. | ||
:Returns P( X = ''v'') when ''Cumulative'' = false. | :Returns P( X = ''v'') when ''Cumulative'' = false. | ||
Line 13: | Line 13: | ||
:First parameter is same as above. | :First parameter is same as above. | ||
==CAS Syntax== | ==CAS Syntax== | ||
− | ;Poisson[ <Mean | + | ;Poisson[ <Mean>, <Variable Value v>, <Boolean Cumulative> ] |
:Let X be a Poisson random variable. | :Let X be a Poisson random variable. | ||
:Returns P( X = ''v'') when ''Cumulative'' = false. | :Returns P( X = ''v'') when ''Cumulative'' = false. |
Revision as of 07:58, 19 April 2013
- Poisson[ <Mean> ]
- Returns a bar graph of a Poisson distribution with given mean λ.
- Poisson[ <Mean>, <Boolean Cumulative> ]
- Returns a bar graph of a Poisson distribution when Cumulative = false.
- Returns a bar graph of a cumulative Poisson distribution when Cumulative = true.
- The first parameter is same as above.
- Poisson[ <Mean>, <Variable Value v>, <Boolean Cumulative> ]
- Let X be a Poisson random variable.
- Returns P( X = v) when Cumulative = false.
- Returns P( X ≤ v) when Cumulative = true.
- First parameter is same as above.
CAS Syntax
- Poisson[ <Mean>, <Variable Value v>, <Boolean Cumulative> ]
- Let X be a Poisson random variable.
- Returns P( X = v) when Cumulative = false.
- Returns P( X ≤ v) when Cumulative = true.
- First parameter is same as above.
- Examples:
Poisson[3, 1, true]
yields \frac{4}{e³}.Poisson[3, 1, false]
yields \frac{3}{e³}.