NCERT Solutions for Class 9 Maths Chapter 15 Probability Exercise 15.1 in English Medium and प्रश्नावली 15.1 in Hindi Medium to study online or download in PDF. All NCERT Solutions are to free download. Download NCERT Books for CBSE Board, MP Board, Gujrat Board and UP Board for the new academic session 2018-2019 for the CBSE Exams March 2019.

All solutions are revised as per Latest **CBSE Curriculum 2018-2019** and updated, removing errors and simplifying according to suggestions received by the students.

## NCERT Solutions for Class 9 Maths Chapter 15

**Go Back to NCERT Solutions for Class 9 Maths Main Page**

### Class 9 Maths Chapter 15 Probability Solutions

- Class 9 Maths Chapter 15 Exercise 15.1 Solutions
- NCERT Books for Class 9 All Subjects
- NCERT Exemplar Problems Solutions
- Study Material for 2018-2019 – English Medium
- Study Material for 2018-2019 – Hindi Medium

### 9 Maths Exercise 15.1 Solutions

NCERT Solutions for Class 9 Maths Chapter 15 Probability Exercise 15.1 in English Medium is given below. Visit for Hindi Medium or go back to 9 Maths Main page. Move to Top of the page.

### 9 गणित के प्रश्नावली 15.1 के हल

NCERT Solutions for Class 9 Maths Chapter 15 Probability Exercise 15.1 in Hindi Medium is given below. Visit for English Medium or go back to 9 Maths Main page. Move to Top of the page.

Visit to 9 Maths Main page or move to Top of the page

##### Important Terms & Definitions on Probability

*Experiment*: An operation which can produce some well-defined outcomes, is called an experiment.*Random Experiment*: An experiment which, when repeated under identical conditions, do not produce the same outcomes every time, but if the outcomes produced is one out of the several possibilities, is known as a random experiment.

*Event*: A possible outcome or combination of outcomes is called an event.*Sure Event*: If probability of an event is 1, then the event is called certain event or sure event.*Impossible Event*: If probability of an event is 0, then event is called an impossible event.

###### Basic Terms

- The probability of an event is given by P(E) = [Number of trials in which E has happened]/[Total number of trials].
- The probability of happening of an event always lies from 0 to 1.
- The sum of all the possibilities of all possible outcomes of an experiment is 1.
- Experimental probability of an event can never be negative.

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