Mathematics 4024 · O Level · Limits of accuracy

Limits of accuracy — practice question

An empty box is given a mass of 0.8 kg, rounded to the nearest 0.1 kg.
(a)[1]

State the lower bound for the mass of the empty box.

(b)[2]

The box contains books. The combined mass of the box and the books is 6 kg, correct to the nearest kilogram. Work out the lower bound for the mass of the books.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correct probability is $(0).75$” …

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