题干

据统计,黄种人人群中各种血型的人所占的比例见表:

血型

A

B

AB

O

该血型的人所占的比例

28

29

8

35

已知同种血型的人可以互相输血,O型血的人可以给任一种血型的人输血,AB型血的人可以接受任何一种血型的血,其他不同血型的人不能互相输血,某人是B型血,若他因病痛要输血,问在黄种人群中人找一个人,其血可以输给此人的概率为____

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