Mathematics 0580 · IGCSE · Introduction to probability

Introduction to probability — practice question

A bag holds 8 discs numbered from 1 to 8, and one disc is chosen at random from the bag.

(a)[1]

an even number, and label the arrow A.

(b)[1]

9, and label the arrow B.

(c)[1]

less than 3, and label the arrow C.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Arrow marked A at 0.5” …