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【简答题】
对以往数据分析结果表明,当机器运行正常时,产品的合格率为90%;而当机器发生故障时,其合格率为30%,机器开动时,机器运行正常的概率为75%。 (1)求某日首件产品是合格品的概率; (2)已知某日首件产品是合格品,求机器运转正常的概率。
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举一反三
【简答题】The contract is for a period of six months, and is not _________ . ( negot iate)
【单选题】Which of the following CANNOT be seen as a difference between Brazilian and American negotiators?
A.
Americans prepare more points before negotiations.
B.
Americans are more straightforward dung negotiations.
C.
Brazilians prefer more eye contact during negotiations.
D.
Brazilians seek more background information.