GCSE Maths Practice: tree-diagrams

Question 3 of 11

Find probability of green then red.

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\( \begin{array}{l}\textbf{Bag: 3R,4G,5B. Draw 2 balls without replacement.} \\ \text{Find probability green then red.}\end{array} \)

Choose one option:

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

Multiply conditional probabilities sequentially.