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4.1 Probability (A-level only)

4.1 Probability (A-level only)

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Question 113

In a group of 90 people, 48 watch football, 37 watch rugby and 20 watch both. A person is selected at random.

a.

Find the probability that the person watches football or rugby.

[2]
b.

Given that the person watches at least one of the sports, find the probability that the person watches both.

[2]
c.

Determine whether watching football and watching rugby are independent.

[2]
Markscheme

4.1 Probability (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.1 Probability (A-level only)

164 exam-style questions on WJEC A Level Maths 4.1 Probability (A-level only), covering 4.1.1 Probability (A-level only), 4.1.2 Probability (A-level only), and 4.1.3 Probability (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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