GCSE Secondary Maths Age 13-17 - Probability & Statistics: Probability - Explained

The video tutorial explains how to calculate the probability of selecting a plain chocolate from a box containing 6 plain, 8 milk, and 10 white chocolates. It details the process of determining the total number of chocolates and the probability calculation. Additionally, it covers the possible combinations of chocolates that can be selected when picking two chocolates from the box.

What is the total number of chocolates in the box?

• 30

• 20

• 24

• 18

What is the probability that Ben selects a plain chocolate?

• 1/6

• 1/2

• 1/3

• 1/4

How many marks are allocated for calculating the probability of selecting a plain chocolate?

• Four marks

• One mark

• Two marks

• Three marks

Which of the following is a possible combination of chocolates that Dion can take?

• Two dark chocolates

• A milk and a dark chocolate

• A plain and a milk chocolate

• Two white chocolates

How many marks are awarded for listing all correct combinations of chocolates?

• One mark

• Two marks

• Three marks

• Four marks