Confucius was famous for accepting all students, rich or poor, gifted or unmotivated.
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The graduation gown is originally the gown of Christian Mission, and that is a clue of the truth that any university with century history was established by Christ.
A. 对
B. 错
China is one of the world’s most prolific book producers, while Chinese people read books at a relatively high rate.
A. 对
B. 错
Compared with the hereditary system, the imperial civil examination was a relatively fair and open method to select officials.
A. 对
B. 错
二项分布B(n,p)的期望和方差分别是( )
A. 期望是p,方差是p(1-p)
B. 期望是p,方差是p(1-p)/n
C. 期望是np,方差是np(1-p)
D. 期望是np,方差是np