CASTI-89 TITANIUM (STATS/LIST EDITOR APP) · CALC89
tPdf(
Returns the probability density of the Student t distribution at a value.
Syntax
tPdf(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 |
|---|---|
| tPdf(0,5) | 0.379606689822 |
Typing tPdf(0,5) on the home screen and pressing ENTER returns 0.379606689822.
Related commands
- binomCdf(Returns a cumulative binomial probability, the chance of a number of successes within a range.
- binomPdf(Returns the binomial probability of exactly a given number of successes.
- chi2Cdf(Returns the χ² distribution probability between two bounds.
- chi2Pdf(Returns the probability density of the χ² distribution at a value.
- 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.