GCSE Maths Practice: tree-diagrams

Question 4 of 9

Find probability of green then blue.

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\( \begin{array}{l}\textbf{Bag: 3R,4G,2B. Draw 2 balls.} \\ \text{Find probability green then blue.}\end{array} \)

Choose one option:

P(Green then Blue) = P(Green) × P(Blue|Green)

Use conditional probability without replacement.