A group of 72 children completed a survey on what kind of sport they like. The choices were: Chess, Swimming, and Football. Ever
yone liked at least one sport except 7 kids, which doesn't like any of these three kind of sports. 12 children liked Chess and Football but not Swimming,
16 children liked Chess and Swimming but not Football,
8 children liked Swimming and Football but not Chess,
10 children liked Chess only,
40 children liked Swimming,
32 student liked Football.
What is the probability that a randomly-chosen child from this group likes either Chess or Swimming but not Football?
