The report “Teens, Social Media & Technology Overview 2015” (Pew Research Center, April 9, 2015) summarized data from a large survey of teens age 13 to 17. Of those surveyed, 71% use Facebook and 52% use Instagram. Use these percentages to explain why the two events identified below cannot be mutually exclusive events.

F = event that a randomly selected survey participant uses Facebook

I = event that a randomly selected survey participant uses Instagram