I need help

Consider the following scenario to understand the relationship between marginal and average values. Suppose Kevin is a professional basketball player, and his game log for free throws can be summarized in the following table. Fill in the columns with Kevin's free-throw percentage for each game and his overall free-throw average after each game. Game Game Result Total Game Free-Throw Percentage Average Free-Throw Percentage H 4/5 N 2/5 6/10 m 1/4 7/14 1/2 8/16 in 4/4 12/20