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​Q14: Answers – Paper 4 – June 2018

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Content:

• Part A) Venn Diagrams – Filling In
• Part B) Venn Diagrams – Probability ​

Quizzes:

• Venn Diagrams

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Mark Scheme

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Working
The Venn diagram shows the number of students studying Mathematics (M) and the number of students studying Physics (P) in a college.
​35 students do not study either subject.

a) The total number of students is 121.

Find the value of x.

b) One of the 121 students is selected at random.

​Find the probability that this student studies Mathematics, given that they study Physics.

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Question

14) The Venn diagram shows the number of students studying Mathematics (M) and the number of students studying Physics (P) in a college.
​35 students do not study either subject.

a) The total number of students is 121.

Find the value of x.

[1 mark]

b) One of the 121 students is selected at random.

​Find the probability that this student studies Mathematics, given that they study Physics.

[2 marks]

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