A museum archive contains 13 ancient scrolls that require restoration: 6 from the Dynasty era, 4 from the Classical era and 3 from the Hellenistic era.
The curator selects two scrolls at random, one after the other, without replacement.
Draw a tree diagram to show the possible outcomes and their probabilities.
Find the exact probability that the curator selects one Classical era scroll and one Hellenistic era scroll.
164 exam-style questions on CCEA A Level Maths 4.4 Probability (A-level only), covering 4.4.1 Probability (A-level only), 4.4.2 Probability (A-level only), and 4.4.3 Probability (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.