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Tree diagram — conditional

GCSE · Mathematics · Edexcel · P9 — Conditional probabilities via two-way tables, trees, Venn diagrams

Question

Edexcel Paper 1H — Higher

A bag has 6 red and 4 green sweets. Maria takes one at random and eats it, then takes a second sweet at random.

(a) Find the probability that the second sweet is green. (3 marks) (b) Given that the second sweet is green, find the probability that the first sweet was red. (3 marks)

6 marks · take your time before peeking.

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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.