Binomial distribution: 15 trials, 30 % success

The bars show the chance of each number of successes; the yellow bar is exactly 7. There are 15 trials, each with a 30% chance of success. For exactly 7 successes, press , , , , then 7, , 15, , 0.3, : 0.081130033. For up to 7 successes, press , , , , then the same values: 7, , 15, , 0.3, : 0.949987459.