Probability Formula For 9th Class

1. Experiment : An operation which can produce some well – defined outcomes is called experiment.

each outcome is called an event.

2. Random Experiment : An experiment in which all possible outcomes are known and the exct outcome cannot be predicted in advance is called a random experiment.

3. Trial : By a trial we mean performing a random experiment.

4. Empirical Probability : Suppose we perform an experiment and let n be the total number of trials.

5. Basic concepts of probability.

Note Point :

6. Possible outcomes in various experiments.

7. About Playing Card.