Mathematics 0580 · IGCSE · Introduction to probability
Introduction to probability — practice question
A bag has 6 red balls, 4 green balls and 2 blue balls. Zia selects a ball from the bag at random. A probability scale is displayed from 0 to 1, with points marked A, B, C, D, E, F, G.
(a)[1]
Write down the letter on the probability scale that represents the probability that Zia takes a green ball.
(b)[1]
Write down the letter on the probability scale that represents the probability that Zia takes a yellow ball.
(c)[1]
Write down the letter on the probability scale that represents the probability that Zia does not take a blue ball.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “C” …