Mathematics 0580 · IGCSE · Introduction to probability

Introduction to probability — practice question

A bag has red balls and green balls in it. The ratio of red balls : green balls is 2 : 3. One ball is chosen at random.
(main)[1]

Find the probability that the ball is red.

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\frac{2}{5}$ or equivalent” …

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