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2.3.10 Conditional probabilities (A-level only)

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Question 8

A survey of 80 commuters finds that 50 use a bus, 28 use a train and 18 use both.

Given that a randomly selected commuter does not use a bus, find the probability that the commuter does not use a train.

[3]
Markscheme

2.3.10 Conditional probabilities (A-level only) Questions

  1. A Level
  2. /Maths
  3. /2.3.10 Conditional probabilities (A-level only)

164 exam-style questions on OCR (MEI) A Level Maths 2.3.10 Conditional probabilities (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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