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IB Maths AA HL 4.5 Probability basics Question Bank

Practise IB Mathematics SL/HL 4.5 by applying probability basics methods to exam-style questions.

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

Exam points

  • identify the mathematical structure, variable or representation
  • select and apply the correct theorem, formula or algorithm
  • check the result using units, domain, graph or logical reasoning

SL 4.5—Probability basics 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 SL 4.5—Probability basics 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.

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