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2.3 Probability

2.3 Probability

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Question 10

A bag contains 10 blue, 8 red and 6 green counters. A counter is selected at random, replaced, and then a second counter is selected.

a.

Find the probability that both are red.

[2]
b.

Find the probability that the counters have different colours.

[2]
Markscheme

2.3 Probability Questions

  1. A Level
  2. /Maths
  3. /2.3 Probability

36 exam-style questions on WJEC A Level Maths 2.3 Probability, covering 2.3.1 Probability and 2.3.2 Probability. Each one has a worked solution and a mark scheme showing where the marks go.

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