The chess game is considered a mind game and it might positively affect the player. The following data in this exercise is to understand the grade distributions of students who have and have not played chess

What is the marginal distribution of the students playing status?

Grade Averages
Playing Status	Good	Very Good	Excellent
Played Chess	125	86	54
Never played Chess	45	35	20

A. 72.60%, 27.40%

B. 54.35%, 46.65%

C. 30.56%, 70.04%

D. 28.78%, 73.20%