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Probability Trees

Probability Trees

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Question 26

Ben travels to work by bus and then by train.

The probability the bus is on time is 47\displaystyle \frac{4}{7}74​

The probability the train is on time is 310\displaystyle \frac{3}{10}103​

a.

Complete the probability tree diagram.

A probability tree diagram for two events: Bus and Train.

[2]
b.

Work out the probability that both the bus and the train are on time.

[2]
Markscheme

Probability Trees Questions

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

54 exam-style questions on OCR GCSE Maths Probability Trees. Each one has a worked solution and a mark scheme showing where the marks go.

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