Cambridge IGCSE · International Mathematics (0607)

Introduction to probability: Practice Questions

4 multiple-choice questions marked as you go, and 3 written questions with worked solutions. All on Introduction to probability.

7 questions11 marksFree, no account

Question 1

1 mark

A fair six-sided die is rolled once. What is the probability of rolling a number greater than 4?

Question 2

1 mark

Bag X contains 3 red balls and 2 blue balls. Bag Y contains 2 red balls and 4 blue balls. One ball is selected at random from each bag. What is the probability that both balls selected are red?

Question 3

1 mark

A bag contains 5 red balls, 3 blue balls, and 2 green balls. A ball is chosen at random from the bag. What is the probability that the ball chosen is either red or blue?

Question 4

1 mark

The probability that it will rain tomorrow is 0.15. What is the probability that it will not rain tomorrow?

Question 5

2 marks

A box contains 5 green, 3 yellow, and 2 blue counters. If one counter is picked at random, what is the probability that it is not yellow?

Write your answer out first, then check it against the worked solution.

Question 6

2 marks

A bag contains only red, blue, and yellow beads. The probability of picking a red bead is 0.3 and the probability of picking a blue bead is 0.45. If one bead is picked at random, what is the probability that it is yellow?

Write your answer out first, then check it against the worked solution.

Question 7

3 marks

A bag contains 5 green counters, 3 yellow counters, and 2 purple counters. A counter is chosen at random from the bag.
(a) Write down the probability that the counter is yellow.
(b) Find the probability that the counter is not green.

Write your answer out first, then check it against the worked solution.

* The content provided by thinka is generated by AI and may not always be accurate or up-to-date. Please use it as a supplementary resource and verify with official materials.

You've seen the model answer. Now get yours marked.

This page can show you how a good answer looks. It cannot tell you what your answer was missing. thinka marks your written work against the real mark scheme in about 15 seconds.

Get My Answers Marked Back to the notes

Want more questions like these? Get a fresh set on this topic, graded as you go.

Practice More