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Exam-style practice

Probability of combined events answer explanations

Review worked answers and explanations for Probability of combined events. 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: Probability of combined events

Paper 2Core or Extended Mathematics2 marks

Description

Bag of Balls

A bag contains 4 red balls, 3 blue balls, and 5 green balls. You draw one ball at random, replace it, and then draw a second ball.

  1. a

    Calculate the probability of drawing a red ball followed by a green ball.

    [2]