GCSE Maths: Statistics & Probability

Andrea Leyden
Quiz by , created over 4 years ago

Are you ready for the statistics and probability section of your GCSE Maths exam? Take this quiz to find out!

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Andrea Leyden
Created by Andrea Leyden over 4 years ago
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Question 1

Question
The normal price of a television is £1200. It is reduced to £970. Work out the percentage reduction.
Answer
  • 19.2%
  • 18.7%
  • 19.4%

Question 2

Question
Four numbers have a mean of 10. The median is 8. Two of the numbers are 1 and 5. Work out the other two numbers.
Answer
  • 25
  • 23
  • 21

Question 3

Question
Bag A has 2 black counters and 3 white counters. Bag B has 3 orange counters and 4 green counters. A counter is chosen at random from each bag. What is the probability of choosing a black counter and an orange counter? (Multiple correct answers)
Answer
  • \(\frac{6}{35}\)
  • 0.17
  • \(\frac{6}{25}\)

Question 4

Question
42 out of 80 animals are dogs. What percentage of the animals are dogs?
Answer
  • 52.5%
  • 19.1%
  • 20.5%

Question 5

Question
There were 17 million families in the UK in 2006. The mean number of children per family was 1.8. How many children were there in the UK?
Answer
  • 4
  • 5
  • 3

Question 6

Question
One combination is soup and curry. How many different combinations are there?
Answer
  • 9
  • 4
  • 6

Question 7

Question
The sections of a fair spinner are red, white or blue. The spinner is spun 40 times. Write down the relative frequency of the spinner landing on red.
Answer
  • 70%
  • 13%
  • 14%

Question 8

Question
Here are two events: 1. A ticket wins the National Lottery. 2. A fair coin lands on heads five times in a row. The probability of A happening is 7.15 × \(10\,^8\) How many more times likely is B than A?
Answer
  • 4.5 x \(10\,^1\)
  • 4.4 x \(10\,^5\)
  • 5.4 x \(10\,^2\)

Question 9

Question
One of the balls is dropped from a height of 2 metres. Each time the ball bounces it reaches – of its previous height. How high will the ball reach after two bounces?
Answer
  • \[\frac{1}{3}\]
  • \[\frac{1}{2}\]
  • \[\frac{18}{25}\]

Question 10

Question
A company makes 400 Christmas toys. Each toy costs £4.70 to make. One-quarter of the toys are given away to a children’s home. Three-fifths of the rest are sold for the full price of £12. The remainder are sold at half price. How much profit does the company make?
Answer
  • £1,035
  • £1,000
  • £1,250