Mathematics 0580 · IGCSE · Introduction to probability

Introduction to probability — practice question

(a(i))[1]

Work out the probability that the chosen counter is blue.

(a(ii))[1]

Work out the probability that the selected counter is yellow.

(b)[1]

Work out the probability that a brown counter is not picked.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\frac{5}{12}$ or equivalent” …