A bag contains 5 red, 4 blue and 3 green counters. Three counters are selected without replacement.
Find the probability that all three are different colours.
[3]
Markscheme
2.6 Probability Questions
36 exam-style questions on CCEA A Level Maths 2.6 Probability, covering 2.6.1 Probability, 2.6.2 Probability, 2.6.3 Probability, and 2.6 Probability. Each one has a worked solution and a mark scheme showing where the marks go.