# 12.9: Additive and Multiplicative Rules for Probability

Difficulty Level: At Grade Created by: CK-12
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Practice Additive and Multiplicative Rules for Probability

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Estimated8 minsto complete
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Estimated8 minsto complete
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### Vocabulary Language: English

TermDefinition
Favorable Outcome A favorable outcome is the outcome that you are looking for in an experiment.
Independent Events Two events are independent if the occurrence of one event does not impact the probability of the other event.
multiplicative rule of probability The multiplicative rule of probability then states that P(AB) = P(B) x P(A/B)
Mutually Exclusive Events Mutually exclusive events have no common outcomes.
Sample Space In a probability experiment, the sample space is the set of all the possible outcomes of the experiment.
Total Outcomes In probability, the total outcomes are the total number of possible outcomes for the probability experiment.
Tree Diagram A tree diagram is a visual way of showing options and variables. The lines of a tree diagram look like branches on a tree.

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