.1 Photo and Video Sharing. Photos and videos have become an important part of the online social experience, with more than half of Internet users post- ing photos or videos online that they have taken themselves. Let A be the event an Internet user posts photos that he or she has personally taken, and B be the event an Internet user posts videos that he or she has personally taken. Pew Research Center finds that P(A) = 0.52, P(B) = 0.26, and P(A or B) = 0.54.2 (a) Make a Venn diagram similar to Figure 13.4 showing the events (A and B), {A and not B}, {B and not A}, and {neither A nor B}. (b) Describe each of these events in words. (c) Find the probabilities of all four events, and add the probabilities to your Venn diagram. The four probabilities you have found should add to 1