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
1. brand Z,[1]
2. brand Y using diesel,[1]
3. 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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