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Frequency Trees

Frequency Trees

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Question 4

Caleb makes a cola drink. He is doing a taste test. He asks 80 people if they prefer cola A or cola B.

41 of the people asked were male. 22 of the 50 people that prefer cola A are female.

a.

Use this information to complete the frequency tree.

Frequency Tree

[3]
b.

One of the 80 people is chosen at random. Write down the probability that this person is male and preferred cola A.

[1]
Markscheme

Frequency Trees Questions

  1. IGCSE
  2. /Maths
  3. /Frequency Trees

7 exam-style questions on Oxford AQA IGCSE Maths Frequency Trees. Each one has a worked solution and a mark scheme showing where the marks go.

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