It Has Been Reported That Men Are More Likely Than

It has been reported that men are more likely than women to participate in online auctions. A recent study found that 52% of Internet shoppers are women and that 35% of Internet shoppers have participated in online auctions. Moreover, 25% of online shoppers were men and had participated in online auctions.
a. Construct the contingency table.
b. Are gender and participation in online auctions independent? Explain.
Hint: Compare two events M = {a randomly selected shopper is a man} and A = {a randomly selected shopper has participated in online auctions}