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

The video tutorial explains a probability question involving a biased dice. It covers calculating the missing probability for the dice landing on 1, estimating the number of times the dice will land on 1 or 3 when rolled 200 times, and understanding probability operations for either-or situations. The tutorial emphasizes that all probabilities must add up to one and provides a step-by-step guide to solving the problem, including the allocation of marks for each step.

How would you estimate the expected number of times the dice lands on one or three if rolled 200 times?

What is the significance of the total probability adding up to one?

What are the three key facts to remember when dealing with probability?