题目：
学校为研究男女同学数学学习的差异情况，对某班60名同学（其中男同学15名，女同学45名）采取分层抽样的方法，抽取一个样本容量为10的样本进行研究，女同学甲被抽到的概率为______．
答案：
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（1）×（2）√（3）×（4）×（5）√
学校为研究男女同学数学学习的差异情况，对某班60名同学（其中男同学15名，女同学
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题型：填空题
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