| combinations | groupings in which the order of members does not matter |
| dependent events | two or more events for which the occurrence of one affects the probability of the other(s) |
| event | a collection of possible outcomes, often describable using a common characteristic, such as rolling an even number with a die or picking a card from a specific suit |
| factorial | an abbreviated way of writing a product of all whole numbers from 1 to a given number, indicated by that number followed by an exclamation point, as in 3! = 3 • 2 • 1 |
| Fundamental Counting Principle | a way to find the number of outcomes in a sample space by finding the product of the number of outcomes for each element |
| outcome | a result of a trial |
| permutations | groupings in which the order of members matters |
| probability | a measure of how likely it is that something will occur |
| replacement | restoring a random situation back to its original state after performing an action |