Do Americans prefer Coke or Pepsi? A survey was conducted by Public Policy Poll (PPP) in 2013 shows the following results: Female Male Total Coke 120 95 215 Pepsi 95 80 175 Neither/Unsure 65 45 110 Total 280 220 500 If an American is selected at random, what is the probability that he or she: a) Prefers Pepsi b) Is male and prefers Pepsi c) Is male or prefers Pepsi d) Explain the differences in results c and d