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Combined Events

Revise Combined Events in Probability for GCSE Mathematics with 11 exam-style questions and 2 flashcards. This topic appears regularly enough that it should be part of a solid GCSE revision cycle.

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When Events Work Together

Introduction 2

Key Facts

Key Facts 3

Types of Combined Events

Deep Dive 4

Exam Tips

Exam Tips 5

Knowledge Organiser: Combined Events

Summary

Sample Flashcards

What are independent events?

Events where one event doesn't affect the probability of the other

For independent events, what is P(A and B)?

P(A and B) = P(A) × P(B)

Exam questions for Combined Events

A fair coin is flipped and a fair die is rolled. What rule is used to find P(heads AND rolling a 3)?

A. Add the two probabilities together
B. Multiply the two probabilities together
C. Subtract the smaller probability from the larger
D. Divide one probability by the other

1 markfoundation

Explain the difference between independent and dependent events in probability. Give an example of each.

2 markshigher

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