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

The video tutorial explains how to calculate the probability of selecting a boy from a group of children who walked to a club. It starts by determining the number of boys and girls who walked, then sums them to find the total number of children. Finally, it calculates the probability and discusses the marks allocation for solving the problem.

How many boys are there in the club?

• 35

• 30

• 25

• 20

What fraction of the boys walk to the club?

• 1/3

• 1/2

• 2/5

• 3/4

How many girls walk to the club?

• 18

• 14

• 12

• 16

What is the total number of children who walked to the club?

• 20

• 22

• 24

• 26

What is the probability that a randomly selected child who walked to the club is a boy?

• 5/13

• 10/26

• 3/8

• 1/2