Skip to content

Course home

2.3 Probability

2.3 Probability

EasyMediumHard
12345678
Question 7

Ravi inspects 60 cars for three types of fault, FFF, G G\,G and HHH.

6 cars have all three faults.

14 cars have fault F F\,F and fault GGG.

11 cars have fault G G\,G and fault HHH.

13 cars have fault F F\,F and fault HHH.

34 cars have fault FFF, 25 cars have fault G G\,G and 22 cars have fault HHH.

a.

Draw a Venn diagram to represent this information.

[3]
b.

One of the 60 cars is selected at random. Find the probability that it has exactly one of the three faults.

[2]
c.

Two of the 60 cars are selected at random. Find the probability that neither has any of the three faults.

[2]
Markscheme

2.3 Probability Questions

  1. A Level
  2. /Maths
  3. /2.3 Probability

36 exam-style questions on WJEC A Level Maths 2.3 Probability, covering 2.3.1 Probability and 2.3.2 Probability. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank