1. Refers to the different possible arrangements of a set of objects..

2. The product of positive integer n and all the positive integers less than n.

3. Set of all outcome in an experiment.

4. The number of ways of selecting from a set when the order is not important

5..Composition of two or more simple event.

6. Set that contains all of the elements that are in at least one of the two events.

7. Refers to the permutations of a set of object where some of them are alike.

8. A set that contains all of the elements that are both events,

9. Different possible arrangement of an objects in a circle.

10.Subset of the sample space​