# Probability

## Overview

Probability tells us how **likely** or **unlikely** it is that something will happen.

We can decide how good our chances might be to choose a certain item.

Probability changes depending on how many items there are to choose from!

Look at the graphic below!

Let’s practice some probability!

**It is important to decide how many fish there are in all first.**

Count the fish! There are **12** fish in all.

There are three different types of fish.

Let’s answer some questions!

You are more likely to catch the first fish. There are MORE of them in the group. This increases the probability that you might catch that kind!

There are 7 blue fishes, one yellow fish, and 4 gray fishes in the picture. The question above is asking you what is more probably for you to pick: the blue fish or gray fish. There are 7 blue fishes and only 4 gray fishes, therefore, probability for you to select the first fish is greater.

Let’s try another one!

You are least likely to catch the first fish because there are fewer of them.

There is actually **only one **yellow fish.

Let’s practice some more!

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### Practice Question 1

**Which color are you MOST likely to choose randomly?**

### Practice Question 2

**Which one are you MOST likely to choose randomly?**

### Practice Question 3

**Which color are you LEAST likely to choose randomly?**

### Practice Question 4

**Which pet are you LEAST likely to choose randomly?**

### Practice Question 5

**Which color book are you LEAST likely to choose randomly?**

Probability is a very important subject to learn within mathematics. We use probability everyday in real life, and it helps us assess how risky something is. Try to learn more about probability by doing research online. Also – you can try this probability quiz below.

**free**account to see answers!