Lesson 14 · Tree Diagram

Principles of Probabilities Presentation

MathematicsSubject
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Class 10 Mathematics: Probability

Principles of Probabilities

Mutually exclusive events · The addition law

By the end of this lesson you can

🔍

Tell whether two events are mutually exclusive

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Find P(A or B) by counting the union

➕

Use both forms of the addition law

🎲

Solve problems on dice, balls and cards

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Presenter notes: Today we learn how to find the chance of one thing or another: an even number or a prime, a king or a queen. The key is to know whether two events can happen together.