5.1.1

Randomness & Fairness

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Randomness and Fairness

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Random events

  • Random events are ones where the outcome is uncertain.
  • For example when a normal 6-sided dice is rolled the result could be 1, 2, 3, 4, 5 or 6.
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Fairness and bias

  • Fair means that each outcome is equally likely.
  • A dice is called fair if each of the numbers is equally likely to appear.
  • Similarly a coin is called fair if each face is equally likely to come up when the coin is tossed.
  • A coin or a dice that is not fair is called biased.

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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