At least one — complement rule

GCSE · Mathematics · CCEA · P3 — Tree diagrams (independent and conditional events)

Question

The probability that it rains on any day in Belfast in November is 0.6. Using a tree diagram or otherwise, find the probability that it rains on at least one of two consecutive days.

[4 marks]

4 marks · take your time before peeking.

Sign up to try the next 30 problems

Save your streak, mark answers against the spec, and build a daily revision habit. Free during public beta — no card, no auto-renew.

Create a free account I already have one

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