题目信息
Set A: {1, 3, 4, 6, 9, 12, 15}
If three numbers are randomly selected from set A without replacement, what is the probability that the sum of the three numbers is divisible by 3?
If three numbers are randomly selected from set A without replacement, what is the probability that the sum of the three numbers is divisible by 3?
A:$$\frac{3}{14}$$
B:$$\frac{2}{7}$$
C:$$\frac{9}{14}$$
D:$$\frac{5}{7}$$
E:$$\frac{11}{14}$$
参考答案及共享解析
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正确答案：
B:$$\frac{2}{7}$$
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题目来源
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