CAIE IGCSE Mathematics Core Expected Frequency Questions

Practise finding an event probability and multiplying it by a trial or population total to estimate how often that outcome should occur.

Syllabus
2028–2030
Objective
C8.2.2
Level
Core

Exam points

  • derive the event probability from given counts, a spinner or an earlier part of the question
  • multiply that probability by the stated number of trials, days, sales or population members
  • use replacement wording to retain a constant probability across repeated random selections

C8.2.2 Calculate expected frequencies question 1

[Maximum number: 1]

Hemang buys two televisions.

The probability that a television is faulty is 0.02 .

Figure for Question C8.2.2 Calculate expected frequencies question 1 — CAIE IGCSE Mathematics Core

The shop sells 4150 televisions in one year.

Calculate the expected number of faulty televisions.

All question bank results loaded