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Chapter 22 of 22
Study Plan

Probability — Study Plan

ICSE · Class 10 · Mathematics

A step-by-step study plan for Probability, ICSE Class 10 Mathematics: what to learn first, what to practise and when to revise.

32 questions24 flashcards6 formulas & key relations5 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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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas and key ideas. Focus on: 1. Basic Ideas: Experiment, Sample Space, and Event, 2. Simple Events and Examples, 3. Playing Cards and Equally Likely Events.

2
Day 3

Practise

Solve the textbook exercises and extra practice questions. There are 32 questions available for this chapter.

3
Day 4

Revise & Test

Revise key points without looking at your notes. Take a practice quiz and mark weak areas for another pass.

4
Day 7

Spaced Revision

Come back to Probability after a week. Use flashcards for quick recall and try past exam questions on this chapter.

What to Focus On

  • Random experiment gives outcomes under given conditions.
  • Sample space is the set of all possible outcomes.
  • Every event is a subset of the sample space.
  • Repeated trials use multiplication to count outcomes.
  • For 3 coin tosses, n(S) = 8.
  • For 2 dice, n(S) = 36.
  • A pack of cards has 52 cards.
  • There are 26 red cards and 26 black cards.
  • A pack has 4 suits.

Common Mistakes to Avoid

Any outcome that looks reasonable can be used as an event, even if it is not part of the sample space.

Simple event means any small or easy-looking event.

Probability can be found without checking whether all outcomes are equally likely.

Memory Tips

Experiment

Sample space

Event as a subset of sample space

Simple event or elementary event

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Frequently Asked Questions

What are the important topics in Probability for ICSE Class 10 Mathematics?
Key topics in Probability include Basic Ideas: Experiment, Sample Space, and Event, Simple Events and Examples, Playing Cards and Equally Likely Events, Probability of an Event. Study these first, then practise questions on each for the ICSE Class 10 board exam.
How should I revise Probability for the ICSE Class 10 board exam?
Learn the core ideas first, then work through the 32 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.

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