# Comparing probabilities

In this lesson, we will compare the probabilities of different events to see which is most likely.

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

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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.Cala rolls a biased dice 40 times. It comes up with a three 14 times. Calculate the relative frequency of rolling a three.

1/5

Q2.Antoni throws a normal six-sided dice 120 times. How many times would you expect him to throw a 4?

2/5

Q3.Binh throws a biased dice 200 times. The theoretical probability of it landing on a 2 is 0.6. How many times would you expect her to throw a 2?

3/5

Q4.Xavier has a biased coin which has a 30% chance of landing on Heads. He flips the coin 300 times. How many times would you expect it to land on Tails?

4/5

Q5.Yasmin has 200 daisy seeds to plant in her garden. The probability of a daisy growing is 0.8. How many daisies would you expect to grow?

5/5

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.Cala rolls a biased dice 40 times. It comes up with a three 14 times. Calculate the relative frequency of rolling a three.

1/5

Q2.Antoni throws a normal six-sided dice 120 times. How many times would you expect him to throw a 4?

2/5

Q3.Binh throws a biased dice 200 times. The theoretical probability of it landing on a 2 is 0.6. How many times would you expect her to throw a 2?

3/5

Q4.Xavier has a biased coin which has a 30% chance of landing on Heads. He flips the coin 300 times. How many times would you expect it to land on Tails?

4/5

Q5.Yasmin has 200 daisy seeds to plant in her garden. The probability of a daisy growing is 0.8. How many daisies would you expect to grow?

5/5

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

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# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

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:

# Comparing Probabilities

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

Q1.True or false: I am more likely to flip a coin and get "Heads" than I am to roll a six-sided dice and get a 4.

1/5

Q2.True or false: I am more likely to flip a coin and get "Tails" than I am to roll a six-sided dice and get an even number.

2/5

Q3.True or false: I am more likely to roll a 3 than a 5 on a six sided dice

3/5

Q4.True or false: I am more likely to roll an even number than a prime number on an eight sided dice.

4/5

Q5.True or false: I am more likely to roll a 4 on a six sided dice than on an 8 sided dice.

5/5

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:

# Comparing Probabilities

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

Q1.True or false: I am more likely to flip a coin and get "Heads" than I am to roll a six-sided dice and get a 4.

1/5

Q2.True or false: I am more likely to flip a coin and get "Tails" than I am to roll a six-sided dice and get an even number.

2/5

Q3.True or false: I am more likely to roll a 3 than a 5 on a six sided dice

3/5

Q4.True or false: I am more likely to roll an even number than a prime number on an eight sided dice.

4/5

Q5.True or false: I am more likely to roll a 4 on a six sided dice than on an 8 sided dice.

5/5

# Lesson summary: Comparing probabilities

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## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Climb stairs

On the spot:
Chair yoga