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# CBSE Class 9 Maths Chapter 15 Probability Revision Notes

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## CBSE Class 9 Maths Chapter 15 Revision Notes: Probability

Revision is very important for better conceptual understanding and securing good marks, and for Revision, Revision Notes are always considered the best. Revision Notes can be very beneficial for students to revise all their previously prepared chapters and concepts, especially during the examination times when they have to revise the whole syllabus in a limited time period.

We, at Swiflearn, provides you the best CBSE Class 9 Maths Chapter 15 Probability Revision Notes. Free CBSE Class 9 Maths Chapter 15 Revision Notes provided here are prepared by Subject Matter Experts at Swiflearn who have a lot of experience in teaching. CBSE Class 9 Maths Chapter 15 Revision Notes are one of the most important pieces of study material that students can use as it will aid them to study better and reduce the level of stress that they face during the hectic year.

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CBSE Class 9 Maths Revision Notes are designed  keeping in my mind the exam pattern and syllabus of NCERT 2020-21. Students can download the PDF for free and practice the questions to score well in the coming exams.

## CBSE Class 9 Maths Chapter 15 Revision Notes: Probability

Probability is defined as the likelihood or chance that an event will occur. It is defined as the numerical method of measuring uncertainty involved in a situation. To understand and measure the chance, we perform the experiments like tossing a coin, rolling a die and spinning the spinner etc.

Terms related to Probability:

• Sample space: It is the set of all possible outcomes in an experiment.
• Trial: An action which results in one or several outcomes.
• Experiment: An experiment is defined as an action or process that results in welldefined outcomes.
• Event: The collection of some outcomes of the experiment.

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