CASTI-89 TITANIUM (STATS/LIST EDITOR APP) · CALC89
chi2Pdf(
Returns the probability density of the χ² distribution at a value.
Syntax
chi2Pdf(XVal, df)
- Group
- Distributions
- Arguments
- Takes the value and the degrees of freedom.
- Availability
- Pro feature in Calc89
- Origin
- On the TI-89 Titanium this command comes with the preinstalled Stats/List Editor app
Example
| Input | Result |
|---|---|
| chi2Pdf(1,2) | 0.303265329856 |
Typing chi2Pdf(1,2) on the home screen and pressing ENTER returns 0.303265329856.
Related commands
- FCdf(Returns the F distribution probability between two bounds.
- FPdf(Returns the probability density of the F distribution at a value.
- geomCdf(Returns the cumulative geometric probability that the first success occurs within a range of trials.
- geomPdf(Returns the geometric probability that the first success occurs on a given trial.
- invBinom(Inverse cumulative binomial distribution: finds the number of successes at which the cumulative probability reaches a given value.
- invBinomN(Finds the number of trials at which the cumulative binomial probability for a given number of successes reaches a given value.
- invChi2(Inverse χ² distribution: returns the value with a given area to its left.
- invF(Inverse F distribution: returns the value with a given area to its left.