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Probability Trees

Probability Trees

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Question 19

Leo spins a spinner twice. The spinner can land on Red, Blue, or Green.

The probability the spinner lands on Red is 0.45.

The probability the spinner lands on Blue is 0.35.

a.

Complete the probability tree diagram.

A probability tree diagram for two spins.

[2]
b.

Work out the probability the spinner lands on Red both times.

[2]
Markscheme

Probability Trees Questions

  1. GCSE
  2. /Maths
  3. /Probability Trees

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

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