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CAIE IGCSE Mathematics C8.1.1 Understand & use the probability scale from 0 to 1.

Practise interpreting the probability scale from 0 to 1 by matching simple events to positions such as 0, 0.2, 0.5 or 1.

Syllabus
2028–2030
Course
Mathematics 0580
Level
Core

Exam points

  • draw or label an arrow on the 0 to 1 scale for an event from a spinner, die or set of colours
  • compare events on a probability scale to decide which outcome is least likely or impossible

C8.1.1 Understand and use the probability scale from 0 to 1. question 1

[Maximum number: 1]

Elize, Lily and Marco start a business.

Lily buys 20 rolls of ribbon.

8 are red, 6 are blue, 4 are yellow and 2 are pink.
A roll of ribbon is chosen at random.
On the probability scale, draw an arrow ( ↓ ) to show the probability that this roll is
(a) yellow

Figure for Question C8.1.1 Understand and use the probability scale from 0 to 1. question 1 — CAIE IGCSE Mathematics Core

(b) not red

Figure for Question C8.1.1 Understand and use the probability scale from 0 to 1. question 1 — CAIE IGCSE Mathematics Core

(c) green.

Figure for Question C8.1.1 Understand and use the probability scale from 0 to 1. question 1 — CAIE IGCSE Mathematics Core
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