Justin, Cam, and Ben are playing a board game where exactly one player will win. Ben estimates that Justin has a 20% percent chance of winning each game. and that Cam has a 50%, percent chance of winning each game.
What is the probability that Ben will win the board game?

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.