1) What is the probability that a student is not a Twitter user? A) 0.96 B) 0.72 Facebook Users Twitter Users 34 93 C) 0.95 D) 0.15 15 What is the probability that a student uses Facebook given that they use twitter? A) 0.81 B) 0.4 C) 0.27 D) 0.37 3) What is the probability that a student uses neither facebook nor twitter? A) 0.90 B) 0.23 C) 0.10 D) 0.15 4) What is the probability that a student is a Facebook user? A) 0.28 B) 0.05 C) 0.62 D) 0.85