• ### Unit 5: Probability

Probability is an important component of discrete mathematics. For instance, if you consider a population of 10 and then take four at a time, without duplicates, what is the chance that a certain combination within the subsets of four will occur? Or, given the set of all possible events, what is the chance that a certain event will occur, given that the event can result from various causes? The construction of trees and graphs , which we will discuss later, depends on the probability of combinations of events. Since we want to traverse trees and graphs in order of the most likely and most important events, we need to know probability.

Completing this unit should take you approximately 4 hours.