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Calculate how many of these 125000 batteries are likely to be faulty.
Mathematics 4024 · O Level · Ratio and proportion
Ratio and proportion — practice question
A battery factory produces batteries. A sample of 2000 batteries is checked, and 28 turn out to be faulty. The factory produces 125000 batteries.
Worked solution & mark scheme
This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Accept \(\frac{28}{2000}\) oe, or \(\frac{125000}{2000}\) oe” …
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