CAIE IGCSE Mathematics Core C8.3.1 Combined Events with Replacement

Practise calculating combined probabilities from sample spaces, Venn diagrams and two-stage trees where items are replaced.

Syllabus
2028–2030
Objective
C8.3.1
Level
Core

Exam points

  • keep second-stage probabilities unchanged when the first item is replaced
  • multiply branch probabilities for a complete two-event route
  • add separate route probabilities for an either-order outcome

C8.3.1 Calculate the probability of combined events using, where appropriate: question 1

[Maximum number: 2]

Hemang buys two televisions.

The probability that a television is faulty is 0.02 .

Figure for Question C8.3.1 Calculate the probability of combined events using, where appropriate: question 1 — CAIE IGCSE Mathematics Core

Find the probability that Hemang buys two faulty televisions.

All question bank results loaded