Suppose the Pittsburgh Steelers return the opening kickoff for a touchdown. Draw (and analyze) a decision tree for the decision whether to kick for an extra point or attempt a two-point conversion. (Assume that early in a football game, maximizing expected points is an optimal strategy for winning the game.) [30 points] Search for data to inform your probability assessments and explain how you use it. Are your probability assessments objective or subjective? [10 points].