4MA1/2F Jun 2021, Question 13: Basic Probability
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2F (Foundation) · Calculator · 3 marks
اقرأ هذا الحل مشروحاً بالعربي ←
The question, in short
A bag holds 7 blue, 5 green and some yellow counters; the chance of drawing blue or green is 6/13. Find the number of yellow counters.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 17 + 5 = 12
- 26/13 of the total counters = 12
- 3Total counters = 12 × 13 / 6 = 26
- 426 − 12 = 14
Answer14
Stuck on a step? Read the free lesson: Basic Probability
Practise more basic probability questions
Real 4MA1 past-paper questions, marked on your working like the exam, with a worked solution for every part.
Practise free on LemmaraMore past-paper questions on basic probability
Also searched as: 4MA1 2F June 2021 · 4MA1/2F · 4ma1 jun21 2f · question 13.
Lemmara is an independent study tool, not affiliated with or endorsed by Pearson Edexcel. The worked solutions are Lemmara’s own.