A technology group wants to determine if bringing a laptop on a trip that involves flying is related to people being on business trips. Data for
Traveling for business
Not traveling for business
What is the probability of traveling with a laptop if someone is traveling for business?
How many total people are traveling for business? How many of those people are traveling with a laptop?
Does it appear that there is an association between bringing a laptop on a trip that involves flying and traveling for business?
so they are associated.