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Question 11

A biased spinner can land on 1, 2, 3 or 4. The table shows the probabilities that the spinner will land on 2 and 4.

Number1234
Probability0.32kkk

The probability that the spinner will land on 1 is twice the probability that the spinner will land on 3.

a.

Complete the table, giving your answers in terms of kkk.

[2]
b.

Johnny is going to spin the spinner 200 times. Work out an estimate for the number of times the spinner will land on 2.

[2]
Markscheme

Probability Questions

  1. GCSE
  2. /Maths
  3. /Probability

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

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