# CBSE Class 11 Mathematics Probability Notes

Download CBSE Class 11 Mathematics Probability Notes in PDF format. All Revision notes for Class 11 Mathematics have been designed as per the latest syllabus and updated chapters given in your textbook for Mathematics in Class 11. Our teachers have designed these concept notes for the benefit of Class 11 students. You should use these chapter wise notes for revision on daily basis. These study notes can also be used for learning each chapter and its important and difficult topics or revision just before your exams to help you get better scores in upcoming examinations, You can also use Printable notes for Class 11 Mathematics for faster revision of difficult topics and get higher rank. After reading these notes also refer to MCQ questions for Class 11 Mathematics given on studiestoday

## Revision Notes for Class 11 Mathematics Chapter 16 Probability

Class 11 Mathematics students should refer to the following concepts and notes for Chapter 16 Probability in Class 11. These exam notes for Class 11 Mathematics will be very useful for upcoming class tests and examinations and help you to score good marks

### Chapter 16 Probability Notes Class 11 Mathematics

Class XI:

Math Chapter:

Probability Chapter Notes

Key Concepts

1. The theory of probability is a branch of mathematics that deals withuncertain or unpredictable events. Probability is a concept that gives a numerical measurement for the likelihood of occurrence of an event.

2. An act which gives some result is an experiment.

3. A possible result of an experiment is called its outcome.

4. The sample space S of an experiment is the set of all its outcomes.Thus, each outcome is also called a sample point of the experiment

5. An experiment repeated under essentially homogeneous and similarconditions may result in an outcome, which is either unique or not unique but one of the several possible outcomes.

6. An experiment is called random experiment if it satisfies the followingtwo conditions:

(i) It has more than one possible outcome.

(ii) It is not possible to predict the outcome in advance.

7. The experiment that results in a unique outcome is called adeterministic experiment.

8. Sample space is a set consisting of all the outcomes, its cardinality isgiven by n(S).

9. Any subset ‘E’ of a sample space for an experiment is called an event.

10.The empty set f and the sample space S describe events. In fact f iscalled an impossible event and S, i.e., the whole sample space is called the sure event.

11.Whenever an outcome satisfies the conditions, given in the event, wesay that the event has occurred.

12.If an event E has only one sample point of a sample space, it is calleda simple (or elementary) event. In the experiment of tossing a coin, the sample space is {H,T}and the event of getting a {H} or a {T}is a simple event.

13.A subset of the sample space, which has more than on element is called a compound event. In throwing a dice, the event of appearing of odd numbers is a compound event, because E={1,3,5} has '3' sample points or elements in it.

14.Events are said to be equally likely, if we have no reason to believe that one is more likely to occur than the other. The outcomes of an unbiased coin are equally likely.

15.Probability of an event E, is the ratio of happening of the number of element in the event to the number of elements in the sample space.
(i) P(E) =n(E)/n(S)
(ii) 0
£P(E) £1

16.Independent Events: Two or more events are said to be independent if occurrence or non-occurrence of any of them does not affect the probability of occurrence or non-occurrence of the other event.

17.The complement of an event A, is the set of all outcomes which are not in A (or not favourable to) A. It is denoted by A’ .

18.Events Aand B are said to be mutually exclusive if and only if they have no elements in common.

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### CBSE Class 11 Mathematics Chapter 16 Probability Notes

We hope you liked the above notes for topic Chapter 16 Probability which has been designed as per the latest syllabus for Class 11 Mathematics released by CBSE. Students of Class 11 should download and practice the above notes for Class 11 Mathematics regularly. All revision notes have been designed for Mathematics by referring to the most important topics which the students should learn to get better marks in examinations. Studiestoday is the best website for Class 11 students to download all latest study material.

### Notes for Mathematics CBSE Class 11 Chapter 16 Probability

Our team of expert teachers have referred to the NCERT book for Class 11 Mathematics to design the Mathematics Class 11 notes. If you read the concepts and revision notes for one chapter daily, students will get higher marks in Class 11 exams this year. Daily revision of Mathematics course notes and related study material will help you to have a better understanding of all concepts and also clear all your doubts. You can download all Revision notes for Class 11 Mathematics also from www.studiestoday.com absolutely free of cost in Pdf format. After reading the notes which have been developed as per the latest books also refer to the NCERT solutions for Class 11 Mathematics provided by our teachers

#### Chapter 16 Probability Notes for Mathematics CBSE Class 11

All revision class notes given above for Class 11 Mathematics have been developed as per the latest curriculum and books issued for the current academic year. The students of Class 11 can rest assured that the best teachers have designed the notes of Mathematics so that you are able to revise the entire syllabus if you download and read them carefully. We have also provided a lot of MCQ questions for Class 11 Mathematics in the notes so that you can learn the concepts and also solve questions relating to the topics. All study material for Class 11 Mathematics students have been given on studiestoday.

#### Chapter 16 Probability CBSE Class 11 Mathematics Notes

Regular notes reading helps to build a more comprehensive understanding of Chapter 16 Probability concepts. notes play a crucial role in understanding Chapter 16 Probability in CBSE Class 11. Students can download all the notes, worksheets, assignments, and practice papers of the same chapter in Class 11 Mathematics in Pdf format. You can print them or read them online on your computer or mobile.

#### Notes for CBSE Mathematics Class 11 Chapter 16 Probability

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