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FoundationNon-calculatorP8 Independent and dependent combined events

Question 1 · 2 marks

Spec and skills
  • Paper scope: Paper 1: non-calculator practice
  • Spec P8
  • Original practice question
  • Answer and supported method checks
A bag contains 2 blue counters and 5 white counters. A counter is taken at random, replaced, and then another counter is taken at random. Work out the probability that both counters are blue. Give a fraction in its simplest form.