This calculates "The probability distribution of the number of Bernoulli trials needed to get one success, supported on the set { 1, 2, 3, ... }"
| Value | Keystrokes | Display | Description |
|---|---|---|---|
| 3 | trials | 3 | Stores the trials value. |
| .5 | prob | 0.50 | Stores the prob value. |
| pmf | 0.1250 | Calculates the PMF |
Reference:Geometric distribution - Wikipedia