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Two-Way tables & Venn Diagrams

3.13 Probability HOME | Achievement Objectives | Overview | Vocabulary | Expected value | Venn Diagrams | Union, Mutually exclusive, Complement | Independence | Conditional | Tree Diagrams | Risk & Relative risk | Simulations | Revision


Two Way tables & Venn Diagrams (Introduction)

Venn DiagramsIntroduction to Venn Diagrams and understanding concepts of: Union, Intersection, Complement, Mutually exclusive, Independence

John Venn
Born: Hull, England 1834
Died: Cambridge 1923

Venn’s most important work was in logic and probability. In his book Symbolic logic he
introduced his now famous Venn Diagram. This showed how a number of closed curves (circles)
could be used to represent sets with something in common.

Class notes, Blank notes

Venn Diagrams:
Workbook Ex 'B'
Nulake 3.13 pp26-33
Sigma (new) and workbook 15.03

Two way tables
Sigma (old) Ex 6.03
Sigma (new) and workbook 16.01
Workbook Ex 'K'
Nulake 3.13 pp49-52

Statistics Glossary link to


Probability from recorded results

A witch's potion can have a range of contents and either it is successful or it explodes

The probability of:

1) a potion containing a frog

2) an exploding worm potion

3) a potion exploding

4) an exploding potion containing a slug

5) a worm potion being a success

Mouse-over key words

Potion information table

Khan Academy video on basic Venn Diagrams using playing cards


Khan Academy video: More comprehensive Venn Diagrams



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