Facts that Matter- Probability Class 9 Notes | EduRev

Mathematics (Maths) Class 9

Created by: Full Circle

Class 9 : Facts that Matter- Probability Class 9 Notes | EduRev

The document Facts that Matter- Probability Class 9 Notes | EduRev is a part of the Class 9 Course Mathematics (Maths) Class 9.
All you need of Class 9 at this link: Class 9

Facts that Matter

  • An operation which can produce some well-defined outcomes is called an experiment.
  • An experiment in which all possible outcomes are known and the exact outcome cannot be predicted in advance, is called a random experiment.
  • Performing a random experiment is called trial.
  • The empirical (or experimental) probability P(E) of an event E is given by

Facts that Matter- Probability Class 9 Notes | EduRev

  • The probability of an event lies between 0 and 1.

UNCERTAINTY
A doubtful situation of an action or activity that may or may not take place, is called ‘uncertainty’.

PROBABILITY
The numerical measure of uncertainty of an action (or activity) is called probability.

Note: 
The words ‘doubt’, ‘chances’, ‘most probably’ etc., show uncertainty or probability of happening of an action or activity.

Share with a friend

Complete Syllabus of Class 9

Dynamic Test

Content Category

Related Searches

Facts that Matter- Probability Class 9 Notes | EduRev

,

Previous Year Questions with Solutions

,

Free

,

study material

,

Viva Questions

,

Exam

,

Objective type Questions

,

Facts that Matter- Probability Class 9 Notes | EduRev

,

ppt

,

pdf

,

Semester Notes

,

Summary

,

shortcuts and tricks

,

mock tests for examination

,

Facts that Matter- Probability Class 9 Notes | EduRev

,

Extra Questions

,

Sample Paper

,

MCQs

,

Important questions

,

video lectures

,

past year papers

,

practice quizzes

;