题目信息
A shipment of 8 television sets contains 2 black-and-white sets and 6color sets. If 2 television sets are to be chosen at random from this shipment, what is the probability that at least 1 of the 2 sets chosen will be a black-and-white set?
A:$$\frac{1}{7}$$
B:$$\frac{1}{4}$$
C:$$\frac{5}{14}$$
D:$$\frac{11}{28}$$
E:$$\frac{13}{28}$$
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正确答案：
E:$$\frac{13}{28}$$
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