Mathematics Concept Notes for Class 9: Chapter 15 Probability
Explore reliable concept summaries and revision materials through the CBSE Class 9 Mathematics Probability Notes Set 01. Tailored for Class 9 learners, utilizing these notes for Mathematics Chapter 15 Probability ensures thorough preparation and strengthens core academic definitions before final evaluations.
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View or download the dedicated Chapter 15 Probability revision resource below. Engaging with these structured concept notes daily ensures continuous academic progress and mastery of the 2026-27 curriculum for Mathematics.
Chapter 15
Probability
Chapter Notes
Top Definitions
1. Probability is a quantitative measure of certainty.
2. Any activity associated to certain outcome is called an experiment.
e.g. (i) tossing a coin (ii) throwing a dice (ii) selecting a card.
3. A trial is an action which will result in one and several outcomes.
4. An event for an experiment is the collection of some outcomes of the experiment. E.g (i) Getting a head on tossing a coin (ii) getting a face card when a card is drawn from a pack of 52 cards.
Top Concepts
1. Probability of an event lies between 0 and 1.
2. Probability can never be negative.
3. A pack of playing cards consist of 52 cards which are divided into 4 suits of 13 cards each. Each suit consists of one ace, one king, one queen, one jack and 9 other cards numbered from 2 to 10. Four suits named spades, hearts, diamonds and clubs.
4. King, queen and jack are face cards.
5. The two possible outcomes of tossing a coin are head and tail.
6. The sum of the probabilities of all elementary events of an experiment is 1.
Top Formulae
1. The empirical (experimental) probability of an event E denoted as P(E) is given by:
P(E) =Number of trialin which the event happenend /TotalNumber of Outcomes
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Study Material and Revision Notes for Class 9 Mathematics Chapter 15 Probability
Key Concepts and Summary for Class 9 Mathematics Chapter 15 Probability
Access structured revision notes for Chapter 15 Probability designed in alignment with the latest CBSE curriculum for Class 9 Mathematics. These summaries help clarify core themes and support effective daily study.
NCERT-Aligned Chapter Summary and Notes
Built using the official NCERT book for Class 9 Mathematics, these notes provide reliable academic guidance. Pair your summary review with our recommended NCERT solutions to master optimal problem-solving approaches.
Next Steps in Your Exam Preparation
Follow up your revision by attempting the interactive online Mathematics MCQ test and practice worksheets for this chapter to verify your mastery. All platform resources are free to access.
FAQs
You can download the teacher prepared revision notes for CBSE Class 9 Mathematics Probability Notes Set 01 from StudiesToday.com. These notes are designed as per 2026-27 academic session to help Class 9 students get the best study material for Mathematics.
Yes, our CBSE Class 9 Mathematics Probability Notes Set 01 include 50% competency-based questions with focus on core logic, keyword definitions, and the practical application of Mathematics principles which is important for getting more marks in 2026 CBSE exams.
Yes, our CBSE Class 9 Mathematics Probability Notes Set 01 provide a detailed, topic wise breakdown of the chapter. Fundamental definitions, complex numerical formulas and all topics of CBSE syllabus in Class 9 is covered.
These notes for Mathematics are organized into bullet points and easy-to-read charts. By using CBSE Class 9 Mathematics Probability Notes Set 01, Class 9 students fast revise formulas, key definitions before the exams.
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