Probability Vocabulary

A systematic investigation where the answer is unknown.

• Outcome

• Experiment

• Trial

• Event Space

Tags

CCSS.7.SP.C.5

One specific instance of an experiment

• Dependent event

• Outcome

• Trial

• Sample Space

The result of a single trial.

• Outcome

• Event

• Trial

• Experiment

A selected outcome, such as getting an 11 from rolling two dice.

• Sample Space

• Trial

• Outcome

• Event

Based on mathematical reasoning: (number of favorable outcomes)/ (number of possible outcomes)

• Theoretical Probability

• Experimental Probability

Based on actual experiments and can be used to make prediction: (times event occurred)/(total number of trials)

• Theoretical Probability

• Experimental Probability

The set of all possible outcomes of an experiment.

• Outcome

• Trial

• Sample Space

• Event

If each outcome in a chance process is equally likely.

• Dependent Events

• Independent Events

• Probability of compound events

• Uniform probability model

Tags

CCSS.7.SP.C.7A

Finding the probability that two or more events will occur at the same time.

• Uniform Probability Model

• Probability of compound events

• Trial

• Outcome

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

The outcome of the first event does not affect the outcome of the second event.

• Independent Event

• Dependent Event

Tags

CCSS.HSS.CP.A.5