Probability Vocabulary

Front

What is the chance that an event will happen?

Back

Probability: A ratio of the number of favorable outcomes to the total number of possible outcomes.

Front

What do you call 2 or more simple events combined?

Back

Compound Event: An event that consists of two or more simple events.

Front

If you select a marble without looking, how likely is it that you will pick a black one if there are no black marbles?

Back

Impossible: The likelihood of an event that cannot happen.

Front

What is a diagram used to show the total number of possible outcomes in a probability event?

Back

Tree Diagram: A visual representation of all possible outcomes of an event.

Front

What number is a likely chance event closer to?

Back

1: Indicates a high likelihood of the event occurring.

Front

What is the term for the ratio of favorable outcomes to total outcomes?

Back

Probability: A measure of how likely an event is to occur.

Front

What do you call an event that cannot happen?

Back

Impossible Event: An event with a probability of 0.

Front

What is the term for a single outcome in a probability experiment?

Back

Simple Event: An event that consists of only one outcome.

Front

What is the term for events that cannot happen at the same time?

Back

Mutually Exclusive Events: Events that cannot occur simultaneously.

Front

What is the term for the set of all possible outcomes of an experiment?

Back

Sample Space: The complete set of all possible outcomes.