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

The video tutorial explains how to calculate the probability of selecting a blue pen from a box containing 7 blue, 4 green, and 6 red pens. It emphasizes the importance of correctly representing probability as a fraction, percentage, or decimal. The total number of pens is calculated as 17, and the probability of picking a blue pen is determined to be 7 out of 17. The tutorial also highlights the importance of understanding probability fractions and warns against incorrect representations.

What is the total number of pens in the box?

How many blue pens are there in the box?

What is the probability of randomly selecting a blue pen from the box?

Why is it important to express the probability as a fraction, percentage, or decimal?

What marks are awarded for the final answer and for getting the total number of pens?