Course 2 Probability Basics 7.9 and 7.10. Theoretical Probability Theoretical Probability is the ratio of the number of ways an event can occur to the.

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Presentation transcript:

Course 2 Probability Basics 7.9 and 7.10

Theoretical Probability Theoretical Probability is the ratio of the number of ways an event can occur to the number of possible outcomes. The Theoretical Probability of an event is the expected probability and can be found with a formula.

Theoretical Probability The Formula for finding theoretical probability is: Number of possible favorable outcomes Total number of possible outcomes

Experimental Probability Experimental Probability is an estimated probability based on the relative frequency of positive outcomes occurring during an event. The Experimental Probability of an event is determined by carrying out a simulation or an experiment.

Experimental Probability The formula for finding experimental probability is: Number of times desired outcomes occur Number of trials in the experiment

Simple Event One outcome or a collection of outcomes.

Tree Diagrams A tree diagram is a graphical way to show all possible outcomes in a situation or experiment.