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Study Plan

Probability — Study Plan

CBSE · Class 11 · Mathematics

A step-by-step study plan for Probability, CBSE Class 11 Mathematics: what to learn first, what to practise and when to revise.

157 questions68 flashcards12 formulas & key relations5 concepts

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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. Events and Sample Space, 2. Algebra of Events, 3. Axiomatic Approach to Probability.

2
Day 3

Practise

Solve the textbook exercises and extra practice questions. There are 157 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

  • Sample space is the set of all possible outcomes.
  • Any subset of the sample space is an event.
  • An event occurs when the observed outcome belongs to that subset.
  • φ is the impossible event.
  • S is the sure event.
  • A simple event contains exactly one sample point.
  • A' = S − A.
  • A or B means A ∪ B.
  • A and B means A ∩ B.

Common Mistakes to Avoid

An event is the same thing as one outcome.

The empty set is not an event, and the whole sample space is not an event.

Any two different events are mutually exclusive.

Memory Tips

Event as a subset of sample space

Impossible event and sure event

Simple event and number of simple events

Compound event

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Frequently Asked Questions

What are the important topics in Probability for CBSE Class 11 Mathematics?
Key topics in Probability include Events and Sample Space, Algebra of Events, Axiomatic Approach to Probability, Probability of Equally Likely Outcomes. 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 157 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 CBSE Class 11 Mathematics Study Plan

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