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Probability

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Question 45

There are some counters in a bag. The table shows the number of counters of each colour.

ColourRedBlueYellowGreen
Number of Counters7kkk53

A counter is taken at random from the bag.

a.

Write down, in terms of kkk, the probability that the counter is green.

[1]
b.

Write down, in terms of kkk, the probability that the counter is not blue.

[1]
Markscheme

Probability Questions

  1. GCSE
  2. /Maths
  3. /Probability

236 exam-style questions on OCR GCSE Maths Probability. Each one has a worked solution and a mark scheme showing where the marks go.

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