题干
为了普及环保知识增强环保意识，某校从理工类专业甲班抽取60人，从文史类乙班抽取50人参加环保知识测试
附：k2=
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P（K2＞k0） | 0.100 | 0.050 | 0.025 | 0.010 | 0.005 |
k0 | 2.706 | 3.841 | 5.024 | 6.635 | 7.879 |
