Draw a tree diagram for dependent events

In this lesson, we will learn how to draw tree diagrams and complete missing probabilities in tree diagrams for dependent events.

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.

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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.For the probability tree shown, which calculation will find the probability of red followed by blue happening?

1/3

Q2.The probability that Amy and Joe win a game of chess is shown in the tree diagram. Work out the probability that over 2 games Amy wins twice.

2/3

Q3.James draws this probability tree diagram to help him calculate probabilities of taking sweets from a bag. What assumptions has James made when completing this probability tree?

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.For the probability tree shown, which calculation will find the probability of red followed by blue happening?

1/3

Q2.The probability that Amy and Joe win a game of chess is shown in the tree diagram. Work out the probability that over 2 games Amy wins twice.

2/3

Q3.James draws this probability tree diagram to help him calculate probabilities of taking sweets from a bag. What assumptions has James made when completing this probability tree?

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:

Draw a tree diagram for dependent events

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

Q1.Probability of a dependent event is also called?

1/3

Q2.Simon has drawn this probability tree for a question on dependent probability. What mistake has he made?

2/3

Q3.This tree diagram shows Amir taking red and blue sweets from a bag. He does not replace the sweet after he has taken one.

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:

Draw a tree diagram for dependent events

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

Q1.Probability of a dependent event is also called?

1/3

Q2.Simon has drawn this probability tree for a question on dependent probability. What mistake has he made?

2/3

Q3.This tree diagram shows Amir taking red and blue sweets from a bag. He does not replace the sweet after he has taken one.

3/3

Lesson summary: Draw a tree diagram for dependent events

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