A:what it is about Mary that
B:that is it abut Mary what
C:what is it about Mary that
D:that is about Mary what
同一限定区域停车
不同一限定区域停车
合计
男
5
女
10
50
已知在抽取的50分调查问卷中速记抽取一份,抽到不同意限定区域停车问卷的概率为 25 .