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Revision Notes

Probability — Revision Notes

ICSE · Class 11 · Mathematics

Probability revision notes for ICSE Class 11 Mathematics: 4 topics in quick points. Part of the ICSE Class 11 Mathematics syllabus.

64 questions36 flashcards9 formulas & key relations5 concepts

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A series of small Venn diagrams or a single composite diagram illustrating impossible, sure, simple, and compound events within a sample space.
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Key Topics to Revise

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1. Basic Ideas: Experiment, Random Experiment, Sample Space, and Event

  • An experiment is an operation that produces well-defined outcomes.
  • A random experiment has more than one possible outcome, and the outcome cannot be predicted in advance.
  • The sample space is the set of all possible outcomes of a random experiment and is denoted by S.
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2. Types of Events

  • Sure/Certain event is the whole sample space.
  • Impossible event is the empty set phi.
  • An elementary or simple event has exactly one element.
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3. Classical and Axiomatic Approaches to Probability

  • The classical approach is used when outcomes are equally likely.
  • The axiomatic approach defines probability as a real-valued function on the power set of S with range [0,1].
  • In the axiomatic approach, P(E) is always non-negative and P(S) = 1.
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4. Card Facts and Standard Deck Information

  • A standard deck has 52 cards.
  • There are 4 suits: Spades, Hearts, Clubs, Diamonds.
  • Each suit has 13 ranks.

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Full Notes

Key Concepts

An experiment is an operationThe sample space is the setAn event is any subsetA sure event is the wholeTwo outcomes are equally likely if

Frequently Asked Questions

What are the important topics in Probability for ICSE Class 11 Mathematics?
Key topics in Probability include Basic Ideas: Experiment, Random Experiment, Sample Space, and Event, Types of Events, Classical and Axiomatic Approaches to Probability, Card Facts and Standard Deck Information. Study these first, then practise questions on each for Class 11 exams.
How should I revise Probability for Class 11 exams?
Learn the core ideas first, then work through the 64 practice questions on Probability. Revise 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 ICSE Class 11 Mathematics Revision Notes

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