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题目材料:
If a person is randomly chosen from Country M, approximately what is the probability that the person will have one of the two most common of the eight blood types?
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A$$\frac{7}{8}$$
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B$$\frac{4}{5}$$
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C$$\frac{3}{4}$$
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D$$\frac{5}{8}$$
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E$$\frac{3}{5}$$
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