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Speed trap
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
300
1
10
1
5
3
10
6
10
Question
c) What is the chance that the next vehicle to be caught will be a truck?
1
200
1
10
1
5
1
4
2
5
Published on
Assessment Resource Banks
(
https://arbs.nzcer.org.nz
)