GCSE Maths: Statistics & Probability

Questão 1 de 10

1

The normal price of a television is £1200. It is reduced to £970. Work out the percentage reduction.

Selecione uma das seguintes:

19.2%
18.7%
19.4%

Explicação

Questão 2 de 10

1

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.

Selecione uma das seguintes:

25
23
21

Explicação

Questão 3 de 10

1

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)

Selecione uma ou mais das seguintes:

\(\frac{6}{35}\)
0.17
\(\frac{6}{25}\)

Explicação

Questão 4 de 10

1

42 out of 80 animals are dogs. What percentage of the animals are dogs?

Selecione uma das seguintes:

52.5%
19.1%
20.5%

Explicação

Questão 5 de 10

1

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?

Selecione uma das seguintes:

4
5
3

Explicação

Questão 6 de 10

1

One combination is soup and curry. How many different combinations are there?

Selecione uma das seguintes:

9
4
6

Explicação

Questão 7 de 10

1

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.

Selecione uma das seguintes:

70%
13%
14%

Explicação

Questão 8 de 10

1

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?

Selecione uma das seguintes:

4.5 x \(10\,^1\)
4.4 x \(10\,^5\)
5.4 x \(10\,^2\)

Explicação

Questão 9 de 10

1

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?

Selecione uma das seguintes:

\[\frac{1}{3}\]
\[\frac{1}{2}\]
\[\frac{18}{25}\]

Explicação

Questão 10 de 10

1

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?

Selecione uma das seguintes:

£1,035
£1,000
£1,250

	Criado por Andrea Leyden aproximadamente 9 anos atrás

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

GCSE Maths: Statistics & Probability

Questão 1 de 10

The normal price of a television is £1200. It is reduced to £970. Work out the percentage reduction.

Selecione uma das seguintes:

Explicação

Questão 2 de 10

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.

Selecione uma das seguintes:

Explicação

Questão 3 de 10

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)

Selecione uma ou mais das seguintes:

Explicação

Questão 4 de 10

42 out of 80 animals are dogs. What percentage of the animals are dogs?

Selecione uma das seguintes:

Explicação

Questão 5 de 10

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?

Selecione uma das seguintes:

Explicação

Questão 6 de 10

One combination is soup and curry. How many different combinations are there?

Selecione uma das seguintes:

Explicação

Questão 7 de 10

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.

Selecione uma das seguintes:

Explicação

Questão 8 de 10

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?

Selecione uma das seguintes:

Explicação

Questão 9 de 10

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?

Selecione uma das seguintes:

Explicação

Questão 10 de 10

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?

Selecione uma das seguintes:

Explicação

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)

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?

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?

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?