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.

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.

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.

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.

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.

1/4

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.

2/4

Q3.This Venn diagram shows the number of students who study art, history and geography. Calculate P (Art ∩ Geography)

3/4

Q4.This Venn diagram shows the number of students who study art, history and geography. Calculate P(not history).

4/4

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.

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.

1/4

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.

2/4

Q3.This Venn diagram shows the number of students who study art, history and geography. Calculate P (Art ∩ Geography)

3/4

Q4.This Venn diagram shows the number of students who study art, history and geography. Calculate P(not history).

4/4

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

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