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Probabilities from a Contingency Table/Joint Probability Table
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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.
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?
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?
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