FPC - stands for Fundamental Principle of Counting.
Fundamental Principle of Counting - if one thing can occur in m ways, and a second thing can occur in n ways, and in third thing can occur in p ways, and so on, then the sequence of things can occur in
m x n p x….. ways
Set - collection
Element - belongs to a set
experiment - process that has a number of distinct possible outcomes in which the result cannot be predicted with certainty
event - a subset of the sample space
Union of Two Event - alloutcomes in either or both events.
Intersection of Two events - common in both events