Find probabilities from Venn diagrams including basic set notation

In this lesson, we will learn how to calculate probabilities from Venn diagrams with 2 or more sets, including using the correct notation for union, intersect and complement. It is useful to have a knowledge of how to draw Venn diagrams prior to this lesson but this skill is revised.

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Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Marion rolls a dice thirty times and records the information in a relative frequency table. How could she make her experiment more reliable?

1/3

Q2.

2/3

Q3.A spinner labelled A, B, C and D is spun 20 times. The relative frequencies are in the table below. Which statement is not true?

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Marion rolls a dice thirty times and records the information in a relative frequency table. How could she make her experiment more reliable?

1/3

Q2.

2/3

Q3.A spinner labelled A, B, C and D is spun 20 times. The relative frequencies are in the table below. Which statement is not true?

3/3

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Find probabilities from Venn diagrams including basic set notation

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Some children were asked if they owned a cat or a dog. A child is chosen at random. Calculate the probability that a child who owns a cat is chosen.

1/3

Q2.Some children were asked if they owned a cat or a dog. A child is chosen at random. Calculate the probability that a child who owns a dog or a cat is chosen.

2/3

Q3.This Venn diagram shows the number of students who study art, history and geography. Calculate P(not history).

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Find probabilities from Venn diagrams including basic set notation

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Some children were asked if they owned a cat or a dog. A child is chosen at random. Calculate the probability that a child who owns a cat is chosen.

1/3

Q2.Some children were asked if they owned a cat or a dog. A child is chosen at random. Calculate the probability that a child who owns a dog or a cat is chosen.

2/3

Q3.This Venn diagram shows the number of students who study art, history and geography. Calculate P(not history).

3/3

Lesson summary: Find probabilities from Venn diagrams including basic set notation

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