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【单选题】
智商的得分服从均值为100,标准差为18的正态分布。从总体中抽取一个容量为n的样本,样本均值的标准差为3,样本容量为( )A.
6
B.
18
C.
36
D.
无法确定
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皮皮学刷刷变学霸
举一反三
【单选题】But Claire doesn’t want to. Then Mike invites Claire to go _____
A.
skating
B.
skiing
C.
skidding
【简答题】Odysseus recovered his identity of the of his own palace. At last he reunited with his wife , and his father Laertes, he told them his various adventures.
【单选题】but Claire doesn't want to. Then Mike invites Claire to go( )
A.
skating
B.
skiing
C.
skidding
【简答题】They pray for you today and prey on you tomorrow.
【简答题】A．replaced B．repeated C．rejected D．recovered
【简答题】［A］ vanished ［B］ recovered ［C］ declined ［D］ attained
【简答题】A．repeated B．replaced C．rejected D．recovered
【简答题】And pray you'll have (6)_________________
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