Probability Class 9 Maths Formulas
For those looking for help on Probability Class 9 Math Concepts can find all of them here provided in a comprehensive manner. To make it easy for you we have jotted the Class 9 Probability Maths Formulae List all at one place. You can find Formulas for all the topics lying within the Probability Class 9 Probability in detail and get a good grip on them. Revise the entire concepts in a smart way taking help of the Maths Formulas for Class 9 Probability.
Maths Formulas for Class 9 Probability
The List of Important Formulas for Class 9 Probability is provided on this page. We have everything covered right from basic to advanced concepts in Probability. Make the most out of the Maths Formulas for Class 9 prepared by subject experts and take your preparation to the next level. Access the Formula Sheet of Probability Class 9 covering numerous concepts and use them to solve your Problems effortlessly.
1. Some Basic Definitions
(i) Trial: A single performance of a random experiment is known as a trial.
(ii) Sample space: The set consisting of all possible outcomes of a random experiment is known as sample space.
(lii) Event: A subset of the sample space of a random experiment is called an event.
2. Probability: Let n be the total number of trials and m be a favourable event. The empirical probability P(E) of an event E happening, is given by
Note:
- The probability of any certain event is 1.
- The probability of an impossible event ¡s 0.
- 0 ≤ P(E) ≤ 1.