Back to the full dot-point answer
WalesMathsQuick questions
Probability
Quick questions on Tree diagrams - WJEC GCSE Maths (Probability)
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is not reducing without replacement?Show answer
After removing an item, lower both the relevant count and the total for the next draw.
What is branches not summing to ?Show answer
The probabilities leaving any single point must add to ; use this to check.
Have a question we have not covered?
This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.