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【单选题】
现有4种不同性状的玉米样本2,分别进行计数后,得到如下表格,请根据数据进行相应的计算。 根据数据进行卡方检验,其最有可能的比例是?
A.
3：3：1：1
B.
9：3：4
C.
9：3：3：1
D.
1：1：1：1
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C.
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D.
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相关题目：
【单选题】“东山再起”称隐退复仕或者是失势后重新得势,最初指的是()。
A.
谢裒
B.
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B.
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A.
Bill Gates is rich because he didn't finish his undergraduate study.
B.
Bill Gates tells us that in order to become rich, one must drop out.
C.
Some students believe that they don't need education, but can still be rich.
D.
Some students have become millionaires after they drop out.
查看完整题目与答案
【单选题】机构中的运动副若为低副,指的是
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回转副和齿轮副
B.
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C.
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查看完整题目与答案