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Probability

ICSE · Class 8 · Mathematics

Quick revision notes for Probability — ICSE Class 8 Mathematics. Key concepts, formulas, and definitions for last-minute revision.

84 questions25 flashcards5 concepts

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Key Topics to Revise

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1. Basic Ideas in Probability

  • An experiment is an action which results in some well defined outcomes.
  • A random experiment has more than one possible outcome, and it is not possible to predict any outcome in advance.
  • In this chapter, the word experiment means random experiment.
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2. Outcomes of Common Random Experiments

  • A coin tossed once has 2 outcomes: H and T.
  • A coin tossed two times or two coins tossed together once has 4 outcomes: HH, HT, TH, TT.
  • A coin tossed three times has 8 possible outcomes.
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3. Probability Formula and Worked Examples

  • Probability is the ratio of favourable outcomes to total outcomes.
  • The numerator is the number of outcomes that support the event.
  • The denominator is the total number of possible outcomes.

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Full Notes

Key Concepts

An experiment is an actionA random experiment has more thanA trial is each single performanceIf all outcomes of an experimentEach outcome of an experiment

Frequently Asked Questions

What are the important topics in Probability for ICSE Class 8 Mathematics?
Probability covers several key topics that are frequently asked in ICSE Class 8 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 8 Mathematics?
Understand the core concepts first, then work through the 84 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.

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