A large university: 60% of students have a facebook page theyve checked today 12% of students have an instagram page theyve checked today Included in those percentages is the 3% whove checked today....

A large university:

60% of students have a facebook page theyve checked today

12% of students have an instagram page theyve checked today

Included in those percentages is the 3% whove checked today.

a) what is the probability that a randomly selected student checked facebook or instagram?

b) what is the probability that someone checked instagram GIVEN that they've checked facebook

c) what is the probability someone has checked neither instagram nor facebook?

d) is the event F (checked facebook) independent of event I (checked instagram)

e) is the event F (checked facebook) mutaually exclussive of event I (checked instagram)