Speed trap

Speed trap

Auto-markingPencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about working out probabilities from a table.
This table shows the number of different types of vehicles caught by a speed camera in one month.
 
Vehicle Type
Frequency Caught
  Private car 500
  Taxi 200
  Bus 100
  Truck 200
  Total 1000

Question

a)  There is a 1 in 2 chance that the next vehicle to be caught will be a ...

    • private car

    • taxi

    • bus

    • truck

Question

b)  What is the chance that the next vehicle to be caught will be a taxi or a bus?

    • \(1 \over 300\)

    • \(1 \over 10\)

    • \(1 \over 5\)

    • \(3 \over 10\)

    • \(6 \over 10\)

Question

c)  What is the chance that the next vehicle to be caught will be a truck?

    • \(1 \over 200\)

    • \(1 \over 10\)

    • \(1 \over 5\)

    • \(1 \over 4\)

    • \(2 \over 5\)

Task administration: 
This task can be completed with pencil and paper or online with auto-marking.
Level:
4
Curriculum info: 
Maths, Statistics, Probability
Keywords: 
probability, equivalent fractions, frequency tables, table interpretation
Description of task: 
Students interpret information in a frequency table to answer probability.
Curriculum Links: 
This resource can be used to help to identify students' understanding of identifying outcomes and likelihoods written as fractions.
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Interpreting statistical and chance situations, sets 4-5
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
  Y8 (11/1997)
a) Private car very easy
b)
3/10
 difficult
c)
1/5
 difficult