CourseCourseConceptConceptDocsDocuments

IB Maths AA HL Sl 4 5 Probability Basics Questions

Practise representing sample spaces and calculating probabilities, complements and expected frequencies from outcomes, events and relative-frequency data.

Syllabus
First assessment 2021
Course
Mathematics: analysis and approaches HL
Level
HL

Exam points

  • Use complements, addition and multiplication rules to calculate probabilities for combined events.
  • Model repeated trials with geometric or negative-binomial reasoning and calculate exact, cumulative or at-least probabilities.
  • Calculate probabilities for dependent or without-replacement events by updating the relevant conditional factors.

Learn this topic

Study SL 4.5—Probability basics conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Maths AA HL Sl 4 5 Probability Basics Questions question 1

[Maximum number: 2]

There are 75 players in a golf club who take part in a golf tournament. The scores obtained on the 18th hole are as shown in the following table.

Table for Question IB Maths AA HL Sl 4 5 Probability Basics Questions question 1 — IB Maths AA HL

One of the players is chosen at random. Find the probability that this player's score was 5 or more.

All question bank results loaded