Difference between revisions of "Poisson Command"
From GeoGebra Manual
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==CAS Specific Syntax== | ==CAS Specific Syntax== | ||
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;Poisson[ <Mean λ>, <Variable Value v>, <Boolean Cumulative> ] | ;Poisson[ <Mean λ>, <Variable Value v>, <Boolean Cumulative> ] | ||
:Let X be a Poisson random variable. | :Let X be a Poisson random variable. | ||
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:Returns P( X ≤ ''v'') when ''Cumulative'' = true. | :Returns P( X ≤ ''v'') when ''Cumulative'' = true. | ||
:First parameter is same as above. | :First parameter is same as above. | ||
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| + | :{{example|1=<div><code><nowiki>Poisson[3, 1, true]</nowiki></code> yields '' <math>\frac{4}{e³}</math>''.</div>}} | ||
| + | :{{example|1=<div><code><nowiki>Poisson[3, 1, false]</nowiki></code> yields '' <math>\frac{3}{e³}</math>''.</div>}} | ||
Revision as of 11:02, 18 December 2012
- Poisson[ <Mean λ> ]
- Returns a bar graph of a Poisson distribution with given mean λ.
- Poisson[ <Mean λ>, <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 λ>, <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 Specific Syntax
- Poisson[ <Mean λ>, <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.
- Example:
Poisson[3, 1, true]yields \frac{4}{e³}.
- Example:
Poisson[3, 1, false]yields \frac{3}{e³}.
