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Exam-Style Question on Tree DiagramA mathematics exam-style question with a worked solution that can be revealed gradually |
Question id: 758. This question is similar to one that appeared on a GCSE Higher paper (specimen) for 2025. The use of a calculator is allowed.
Near Blizzard Lodge on any day the probability that it snows is \( \frac{1}{4} \).
When it snows the probability that Angus goes skiing is \( \frac{4}{7} \).
When it does not snow the probability that Angus goes skiing is \( \frac{2}{5} \).
(a) In a period of 80 days on how many days is it expected to snow?
(b) Complete the tree diagram.
(c) Find the probability that on any day Angus goes skiing.
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There is a tree diagram drawing tool for teachers here: Tree Diagram Creator.
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