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【单选题】
段文字可以看出,古希腊古罗马时期音乐文化的特点是:
A.
含义比现在更为狭窄
B.
内容主要涉及数学和戏剧
C.
与其他艺术及科学联系密切
D.
与艺术和哲学有严格的区分
拍照语音搜题,微信中搜索"皮皮学"使用
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【单选题】从2000名学生中按不重复抽样方法抽取了100名进行调查,其中有女生45名,则样本比例的抽样平均误差为( )
A.
0.0024
B.
0.0485
C.
0.0497
D.
以上都不对
【单选题】Passage Five Billy Joel was born on Long Island, in New York State. He began taking piano lessons at an early age and joined his first rock band when he was fourteen. After playing in a number of Long...
A.
when he joined his first rock band
B.
after he was named 'Best New Male Vocalist'
C.
at fourteen
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before he was fourteen years old
【简答题】It happened towards evening, when I was resting in a cafe. I 36 a pair of newly bought white leather shoes, which were rather expensive. Then  37 came to me. He was in an unfit shirt, 38 pale and weak...
【单选题】从2000名学生中按不重复抽样方法抽取100学生进行调查,其中有女生45名,则样本成数的抽样平均误差为( )
A.
0.24%
B.
4.85%
C.
4.97%
D.
以上都不对
【简答题】收到宏达公司前欠货款 100 000元,收到银行收账通知单。(2分)
【简答题】It happened towards evening, when I was resting in a cafe. I a pair of newly bought white leather shoes, which were rather expensive. Then came to me. He was in an unfit shirt, pale and weak. He looke...
【单选题】从2000名学生中按不重复抽样方法抽取了100名进行调查,其中有女生45名,则样本比例的抽样平均误差为
A.
0.24%
B.
4.85%
C.
4.97%
D.
以上都不对
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A.
转字第3号
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收字第2号
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【单选题】从2000名学生中按不重复抽样方法抽取了100名进行调查,其中有女生45名,则样本成数的抽样标准误为
A.
0.24%
B.
4.85%
C.
4.97%
D.
以上都不对
【单选题】从2000名学生中按不重复抽样方法中抽取了100名进行调查,其中有女生45名,则样本成数的抽样平均误差为( )。
A.
0.24%
B.
4.85%
C.
4.97%
D.
以上都不对
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