Skip to content
MathsGenie logo
Open app

Course home

  1. IGCSE
  3. Maths Edexcel
  5. Question bank

Probability Trees

EasyMedium
123456789
Question 1

Tina has two bags of counters, Bag A and Bag B.

There are 5 red counters and 3 blue counters in bag A.

There are 4 red counters and 5 blue counters in bag B.

Tina takes at random a counter from each bag.

a.

Complete the probability tree diagram.

A probability tree diagram for two bags, Bag A and Bag B. Bag A has two branches: Red and Blue. Bag B has four branches: Red, Blue, Red, and Blue. Each branch has a dotted line for a probability value.

[2]
b.

Work out the probability that Tina takes two blue counters.

[2]

Probability Trees Questions

  1. IGCSE
  2. /Maths
  3. /Probability Trees

Practise Edexcel IGCSE Maths Probability Trees with exam-style questions for IGCSE Maths. 10 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank