Is There an Association Between a Person's Political Affiliation (Democrat

Is there an association between a person's political affiliation (Democrat, Republican, or Inde-pendent) and whether or not they give to charity?
-Describe the appropriate parameter(s) and assign symbols(s) to the parameters. Select all that apply

A) ?_Dem = probability that a Democrat will give to charity
B) ?_Rep = probability that a Republican will give to charity
C) ?_Ind = probability that a Independent will give to charity