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Probability

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Question 18

A bag contains counters of four different colours: Red, Blue, Green and Yellow.

The table shows the probabilities of picking a Red, Blue or Green counter.

ColourRedBlueGreenYellow
Probability0.120.380.2
a.

Complete the table.

[2]
b.

Sarah picks a counter from the bag 200 times, replacing it each time.

Work out an estimate for the number of times she picks a Blue counter.

[2]

Probability Questions

  1. GCSE
  2. /Maths
  3. /Probability

Practise AQA GCSE Maths Probability with exam-style questions for Foundation and Higher tier. 212 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank