Car brands and fuel types
Car brands and fuel types
Secondary 2
4 marks
TGM Original Questions
Each object in the stated selection population is equally likely to be selected.
A listing contains the following cars.
| Fuel | Brand X | Brand Y | Brand Z |
|---|---|---|---|
| Petrol | \(10\) | \(14\) | \(18\) |
| Diesel | \(6\) | \(9\) | \(3\) |
One car is chosen.
- State the most likely fuel.[1]
- Find the probability it is
- brand Z,[1]
- brand Y using diesel,[1]
- a diesel car of brand X or brand Y.[1]
Solution:
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Answer:(a) petrol (b)(i) \(\frac{7}{20}\) (ii) \(\frac{3}{20}\) (iii) \(\frac{1}{4}\).
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