Question 6
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In a road worthiness test on 40 cars, 60% passed. The number that failed had faults in Clutch, Brakes and Steering as follows: Clutch only – 28; Clutch and Steering – 14; Clutch, Steering and Brakes – 8; Clutch and Brakes – 20; Brakes and Steering only – 6. The number of cars with faults in Steering only is twice the number of cars with faults in Brakes only.
- Draw a Venn diagram to illustrate this information.
- How many cars had:
- faulty Brakes?
- only one fault?
Observation