Mathematics 0580 · IGCSE · Introduction to probability

Introduction to probability — practice question

The bag has 6 red balls, 4 green balls and 2 blue balls inside it. Zia chooses a ball from the bag at random. The diagram shows a probability scale, labelled A to G, from 0 to 1.
(a)[1]

Which arrow indicates the probability that Zia chooses a green ball?

(b)[1]

Which arrow indicates the probability that Zia chooses a yellow ball?

(c)[1]

Which arrow indicates the probability that Zia does not choose a blue ball?

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: the arrow labelled C

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