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2.3.10 Conditional probabilities (A-level only)

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Question 27

A health club survey asks 100 students about the fruits they eat. They can choose from apples (AAA), bananas (BBB), and cherries (CCC).

10 students eat all three fruits. 18 students eat apples and bananas. 15 students eat bananas and cherries. 20 students eat apples and cherries. 45 students eat apples. 35 students eat bananas. 40 students eat cherries.

a.

Draw a Venn diagram for this information.

[3]
b.

One of the students is selected at random. Given they eat apples, find the probability they do not eat bananas.

[3]
Markscheme

2.3.10 Conditional probabilities (A-level only) Questions

  1. A Level
  2. /Maths
  3. /2.3.10 Conditional probabilities (A-level only)

164 exam-style questions on OCR (MEI) A Level Maths 2.3.10 Conditional probabilities (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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