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【简答题】
今有一停车场，只有一个出入通道，停车场服务能力为100辆/h，据调查，每小时有60辆车到达，假设车辆到达服从泊松分布，每辆车服务时间服从负指数分布，其单一的出入通道只能容纳6辆车，问该数量是否合适?
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举一反三
【单选题】Table 1 The following table presents cost and revenue information for Soper’s Port Vineyard. COSTS REVENUES Quantity Produced Total Cost Marginal Cost Quantity Demanded Price Total Revenue Margina...
A.
$50
B.
$75
C.
$80
D.
$150
【单选题】Table 1 The following table presents cost and revenue information for Soper’s Port Vineyard. COSTS REVENUES Quantity Produced Total Cost Marginal Cost Quantity Demanded Price Total Revenue Margina...
A.
$120
B.
$700
C.
$820
D.
$840
【简答题】Although much remains to be learned about global warming, many organizations cutting greenhouse gas emissions to reduce the of global warming. 8. Consumers can help. By saving energy around the house,...
【单选题】Consumers (-------) the product. After all, nobody forces them!
A.
don't have to
B.
mustn't buy
C.
无
D.
无
【简答题】intricate, daze, exertion, present(2题), variety (2题) 1. We were able to thread but slowly through the _______ reports. 2. He needed to relax after the _______ of a busy day at work. 3. There was littl...
【单选题】单列车的推进运行限速为 ,重联客车的推进运行限速 为()
A.
10km/h；20km/h
B.
10km/h；23km/h
C.
15km/h；20km/h
D.
15km/h；23km/h
【单选题】Consumers (-------) the product. After all, nobody forces them!
A.
don't have to buy
B.
mustn't buy
C.
无
D.
无
【简答题】Cheap and Fatty 7 How did so much corn get into our food? In the early 1970s,the federal government encouraged farmers to grow more corn to make it cheap.Humans couldn't eat the cheapest grade of corn...
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