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4.1 Probability (A-level only)

4.1 Probability (A-level only)

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Question 7

A committee of 4 people is selected at random without replacement from 7 teachers and 5 students.

a.

Find the probability that the committee contains exactly 2 teachers.

[3]
b.

Given that the committee contains at least one student, find the probability that it contains exactly 2 teachers.

[4]
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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