5.3.4

Dependent Events

Test yourself

Independent and Dependent Events

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Independent

  • Two events are independent if they don't affect each other.
    • For example if we toss a coin twice, the first event is independent of the second event. The results do not affect each other.
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Dependent

  • Two events are dependent if they do affect each other.
  • For example ‘It is raining’ and ‘I take my umbrella to school’ are dependent events.
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Picking balls from a bag

  • Picking balls from a bag with replacement results in each pick being independent from the others.
  • Balls not being replaced means the picks are dependent on each other. If we pick the only blue ball in our first pick we cannot pick it again.

Jump to other topics

1Number

1.1Using Numbers

1.2Fractions, Decimals & Percentages

1.3Powers & Roots

1.4Accuracy

2Algebra

2.1Introduction to Algebra

2.2Manipulating Algebra

2.3Proofs & Functions

2.4Straight Line Graphs

2.5Common Graphs

2.6Transformations & Tangents

2.7Properties of Graphs

2.8Solving Equations

2.9Inequalities

2.10Sequences

3Ratio

4Geometry

4.1Introduction to Geometry

4.2Triangles & Quadrilaterals

4.3Transformations

4.4Circle Basics

4.5Circle Theorems

4.6Measurements & Units

4.7Calculating Area

4.8Triangle Formulae

4.93D Shapes

4.10Vectors

5Probability

6Statistics

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