 # Class 10 Maths for Probability of Chapter 15 Revision Notes

## CBSE Class 10 Maths Chapter 15 – Probability – Free PDF Download

Free PDF download of Class 10 Maths Chapter 15 – Probability Revision Notes & Short Key-notes prepared by expert Mathematics teachers from latest edition of CBSE(NCERT) books.
You can also Download Maths NCERT Solutions Class 10 to help you to revise complete Syllabus and score more marks in your examinations.

### CBSE Class 10 Maths Revision Notes Chapter 15 Probability

(i) Probability
(ii) Miscellaneous Questions

1. The Theoretical probability of the occurence of an event E written as P(E) is P(E)= 2. Experiment: An activity which ends in some well defined outcomes is called an experiment.
3. Trial: Performing an experiment once is called a trial.
4. Event: The possible outcomes of a trial is called an event.
5. Sure event: An event whose occurence is certain is called a sure event.
6. The sum of the probability of all the elementary events of an experiment is 1.
7. The probability of a sure event is 1 and probability of an impossible event is 0.
8. If E is an event, in general, it is true that  9. From the definition of the probability, the numerator is always less than or equal to the denominator therefore .