Lesson: Operations on Events: Difference Mathematics • Third Year of Preparatory School

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In this lesson, we will learn how to find the probability of the difference of two events.

Students will be able to

understand, using Venn diagrams, the difference between two events, denoted ,
understand the difference rules for probability:
- ,
- ,
use the difference rule and other rules for operations on events to calculate probabilities involving the difference between two events (including their complement),
use the difference rule along with other operations on events to solve problems in context, including finding the probability that only one or the other of two events occurs.