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Chapter 9 of 12
Formula Sheet

Probability — Formula Sheet

CBSE · Class 11 · Applied Mathematics

2 formulas from Probability (CBSE Class 11 Applied Mathematics) on one page, grouped by topic. Part of the CBSE Class 11 Applied Mathematics syllabus.

45 questions24 flashcards2 formulas & key relations5 concepts

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2 Entries · 1 Section

Formulas and Key Relations

Key relations

If events A₁, A₂, ..., Aₙ form a partition of sample space S, then for any event B: P(B) = Σ P(B|Aᵢ)P(Aᵢ).

For events A₁, A₂, ..., Aₙ forming a partition of S and event B: P(Aᵢ|B) = [P(Aᵢ)P(B|Aᵢ)] / [Σ P(Aⱼ)P(B|Aⱼ)].

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Frequently Asked Questions

What are the important topics in Probability for CBSE Class 11 Applied Mathematics?
Key topics in Probability include Random Experiments and Sample Space, Events and Types of Events, Conditional Probability, Theorem of Total Probability. Study these first, then practise questions on each for Class 11 exams.
How many formulas are in Probability?
This sheet lists 2 formulas from Probability, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Probability for Class 11 exams?
Learn the core ideas first, then work through the 45 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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