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

The video tutorial explains how to use a frequency tree to analyze a homework completion problem among 100 students, including 42 boys and 58 girls. It details the process of calculating the number of students who did and did not complete their homework, and how to determine the probability of a randomly chosen girl not doing her homework. The tutorial emphasizes careful reading and analysis of the given information to solve the problem accurately.

How many students had homework?

What is the number of boys among the students?

What is the total number of girls?

How many girls did not do their homework?

Calculate the probability that a randomly chosen girl did not do her homework.