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【判断题】
若 A的概率是0.2或0.4。我们在大量实验下得到A的频率是0.19。则有理由认为P(A)=0.2。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】“Sole source” means there is reasonable supplier(s) for some products or services.
A.
none
B.
only one
C.
two
D.
many
【单选题】"Plenty of opportunities still exist for money. You can't throw a rock without hitting an opportunity. All you have to do is keep an open mind." Does the speaker offer an argument in support of...
A.
Yes
B.
No
【简答题】阅读理解。 There is no doubt that to study abroad gives you an excellent opportunity to learn things which are very helpful in your career building. Today Canada has earned a good name in providing quality...
【简答题】If a buyer retailed a dress for ¥100, which costs him ¥60 each purchased from a supplier. At the end of the period, the buyer sold out 50 units of the dresses , what is the (1) ¥MU and (2) MU% for eac...
【简答题】翻译: 对不起,我迟到了,我刚才在开会脱不开身。 (get away)
【判断题】“Sole source” means there is none reasonable supplier for some products or services.
A.
正确
B.
错误
【简答题】Directions: The following is part of an introduction to life insurance. After reading it, you should give brief answers to the 5 questions (No.46 to No.50) that follow. The answers (in no more than 3 ...
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