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【单选题】
The sailor keeping （）watch should clean the gangway, the rails, bulwark and the spaces around the gangway.A.
navigation
B.
gangway
C.
port
D.
anchor
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反馈参考答案：
举一反三
【简答题】It is used to describe a frequency distribution which is not symmetrical and the left tail is stretched out longer than the right.
【简答题】It is a discrete probability distribution of the number of successes in a sequence of independent Bernoulli random experiments.
【单选题】Distribution center is an economic organization specialized in goods distribution activities. It is also a logistics node integrating processing, tally and ( ) functions.
A.
Purchase
B.
production
C.
sales
D.
delivery
【简答题】It is used to describe a frequency distribution which is not symmetrical and the right tail is stretched out longer than the left.
【单选题】In addition, Nidera is engaged in the distribution of crop technology and it is a leading seed research and production company in South America. 在这句话当中, distribution 的意思是:
A.
分发食品
B.
平均分配
C.
销售
D.
处理
【判断题】Wal-Mart is well known for their progressive distribution systems. While distribution is important, it is not a marketing decision.
A.
正确
B.
错误
【单选题】If the expectation of a sampling distribution is located at the parameter it is estimating, then we call that sampling distribution
A.
unbiased.
B.
minimum variance.
C.
biased.
D.
random.
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