- Press 2nd VARS to get to the DISTR menu.
- Use the down arrow key to scroll down until binompdf is highlighted and press ENTER.
- Input the number of trials, n, next to “trials.”
- Input the probability of success on a single trial, p, formatted as a decimal.
- Input the number of successes, r, next to “x value.”
- Highlight Paste and press ENTER twice to compute the probability.