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
event space	the set of possible outcomes in an event: for example, the event “rolling an even number” on a die has the event space of 2, 4, and 6
independent events	two or more events for which the occurrence of one does not affect the probability of the other(s)
outcome	a result of a trial
probability	a measure of how likely it is that something will occur
random	unable to be predicted with certainty
replacement	restoring a random situation back to its original state after performing an action
sample space	the set of all outcomes
trial	a random action or series of actions