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Exam-style practice

Introduction to probability answer explanations

Review worked answers and explanations for Introduction to probability. Aligned to Cambridge IGCSE Mathematics.

Answer explanations

Question 1 of 2

Review the answer support, then move sideways through the set.

Paper 2 structured question: Introduction to probability

Paper 2Core or Extended Mathematics4 marks

Description

Probability of Drawing a Ball

A bag contains 5 red balls and 3 blue balls. A ball is drawn at random from the bag.

  1. a

    Calculate the probability of drawing a red ball.

    [2]
  2. b

    Calculate the probability of drawing a blue ball.

    [2]