probability Statistics

Question

Four people are sitting on a couch. Two are wearing red shirts, one is wearing a blue shirt, and one is wearing a green shirt. What is the probability of a person with a red shirt being the next one to get up and walk out the door.

Answer 1

50 percent probability a red shirt leaves next

2/(2+1+1) = 2/4 = 1/2 = .50 = 50%