Mathematics, 28.05.2020 02:00 bernicewhite156
A group of 72 children completed a survey on what kind of sport they like. The choices were: Chess, Swimming, and Football. Everyone 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?
Answers: 1
Mathematics, 22.06.2019 00:00
Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)
Answers: 1
A group of 72 children completed a survey on what kind of sport they like. The choices were: Chess,...
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