The video tutorial explains how to calculate the probability of drawing a blue bead from a jar containing three red beads and one blue bead. The probability is calculated as 1/4, and the video discusses how this can be represented as a fraction, decimal, or percentage. It emphasizes the importance of using the correct representation to receive full marks.

What is the total number of beads in the jar?

How many blue beads are there in the jar?

What is the probability of choosing a blue bead from the jar?

List the three ways to express the probability of choosing a blue bead.

Why should you not write 'one out of four' as an answer?