VENN DIAGRAMS AND PROBABILITY

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VENN DIAGRAMS AND PROBABILITY 18/01/2019 VENN DIAGRAMS AND PROBABILITY

The outcomes that satisfy event A can be represented by a circle. 18/01/2019 Venn diagrams can be used to represent probabilities. The outcomes that satisfy event A can be represented by a circle. The outcomes that satisfy event B can be represented by another circle. A B The circles can be overlapped to represent outcomes that satisfy both events.

18/01/2019 Skills check – place the numbers 1 – 10 in the correct spaces in this Venn diagram 7 Even Square 2 1 8 4 6 9 10 3 5

18/01/2019 In a class of 30 students, 24 have mobile phones, 18 have internet access at home and 14 have both. Fill in this diagram to show the number in each category: Mobile phones Both Internet 10 14 4 What is the probability of selecting a pupil at random who has: 1) only a mobile phone? 1 3 2) a mobile phone or the internet but not both? 7 15 3) neither? 1 15 4) a mobile phone and/or the internet? 14 15

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