What is the probability of an event?

For equally likely outcomes, probability is the ratio of favourable outcomes to total outcomes.

What is the probability of an impossible event?

An impossible event has probability 0.

A sure event has probability 1.

ICSE MathematicsClass 10Chapter 25

Chapter 25

Solve probability problems using sample spaces, favourable outcomes and complementary events for ICSE Class 10 Mathematics.

TOPICS

Sample spaceEventsFavourable outcomesProbability of an eventComplementary events

CHAPTER RESOURCES

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IMPORTANT QUESTIONSExam Prep

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PRACTICE WORKSHEETExercises

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