Probabilities from a Contingency Table/Joint Probability Table HD

This video shows how to calculate joint, marginal, and conditional probabilities from a contingency table. It also shows the application of the addition and multiplication rules. Using the this contingency table Accounting Finance Marketing Male 30 25 30 Female 45 10 60 the following probabilities were calculated: #1: What is the probability of selecting a student majoring in Finance? #2: What is the probability of selecting a Female Marketing student? #3: What is the probability of selecting a student in Accounting or Finance? #4: What is the probability of selecting a Male or a Finance student? #5: What is the probability of selecting a Female, given she is in Accounting? #6: If a student is female, what is the probability that she is in Accounting? #7: If 2 students are selected, what is the probability that both of them major in Marketing?