CASTI-89 TITANIUM (STATS/LIST EDITOR APP) · CALC89
geomPdf(
Returns the geometric probability that the first success occurs on a given trial.
Syntax
geomPdf(p, XVal)
- Group
- Distributions
- Arguments
- Takes the success probability p and the trial number.
- Availability
- Pro feature in Calc89
- Origin
- On the TI-89 Titanium this command comes with the preinstalled Stats/List Editor app
Example
| Input | Result |
|---|---|
| geomPdf(1/2,3) | 1/8 |
Typing geomPdf(1/2,3) on the home screen and pressing ENTER returns 1/8.
Related commands
- 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.
- invNorm(Inverse normal distribution: returns the value with a given area to its left.
- invt(Inverse Student t distribution: returns the value with a given area to its left, used for t critical values.
- normCdf(Returns the probability that a normally distributed value lies between two bounds.
- normPdf(Returns the probability density of the normal distribution at a value.