Difference between revisions of "Documentation/How Tos/Calc: NEGBINOMDIST function"

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== NEGBINOMDIST ==
 
== NEGBINOMDIST ==
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=== Example: ===
 
=== Example: ===
 
<tt>'''NEGBINOMDIST(1; 1; 0.5)'''</tt>
 
<tt>'''NEGBINOMDIST(1; 1; 0.5)'''</tt>
: returns 0.25 (25%), the probability that heads will come up exactly once before tails has come up when tossing a coin.
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: returns 0.25 (25%), the probability that heads will come up exactly once, before tails has come up, when tossing a coin.
  
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* [[Documentation/How_Tos/Calc: BINOMDIST function|BINOMDIST]]
 
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[[Category: Documentation/Reference/Calc/Statistical functions]]

Latest revision as of 14:08, 2 February 2024



NEGBINOMDIST

Calculates probabilities for a negative binomial distribution.

Syntax:

NEGBINOMDIST(x; r; p)

For independent trials each with a probability p of success, NEGBINOMDIST returns the probability that there will be exactly x failures before there have been r successes. The formula used is:
Calc negbinomdist equation.png

Example:

NEGBINOMDIST(1; 1; 0.5)

returns 0.25 (25%), the probability that heads will come up exactly once, before tails has come up, when tossing a coin.



See Also
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