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Chapter Summary

Probability

ICSE · Class 10 · Mathematics

Summary of Probability for ICSE Class 10 Mathematics. Key concepts, important points, and chapter overview.

32 questions24 flashcards5 concepts

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A Venn diagram showing a sample space (S) and an event (A), with the region outside A but within S shaded to represent the complementary event (A').
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Overview

Probability is a quantitative measure of certainty and uncertainty in a random experiment. A random experiment is an operation that gives some outcomes under given conditions, such as tossing a coin, throwing a die, or selecting a card from a pack of cards. The set of all possible outcomes is called

Key Concepts

An operation which gives some outcomes

An operation which gives some outcomes under some given conditions is called an experiment. Tossing a coin, throwing a die, and selecting a card from

The set of all possible outcomes

The set of all possible outcomes of a random experiment is called the sample space and is usually denoted by S. For example, in tossing a coin, S = {H

Any outcome or combination of outcomes

Any outcome or combination of outcomes is called an event. An event is always a subset of the sample space. Examples include getting a head, getting a

An event containing only one element

An event containing only one element from the sample space is called a simple event. Getting a head in a single coin toss is a simple event. An elemen

Events are equally likely when no

Events are equally likely when no outcome is more likely than another. In such cases, each outcome has the same chance of occurring. A fair die and an

Learning Objectives

  • Understand the meaning of random experiment, sample space, and event
  • Identify simple events and complementary events
  • Use the formula Probability of an event = Number of favourable cases / Total number of cases
  • Find sample space sizes for repeated trials like tossing a coin several times or throwing two dice
  • Recognise sure events, impossible events, and equally likely events

Frequently Asked Questions

What are the important topics in Probability for ICSE Class 10 Mathematics?
Probability covers several key topics that are frequently asked in ICSE Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Probability — ICSE Class 10 Mathematics?
Understand the core concepts first, then work through the 32 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Probability

All 22 chapters — ICSE Class 10 Mathematics Chapter Summary

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