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[Problem Solving]

试题详情

题目:

A manufacturer of a certain product can expect that between 0.3 percent and 0.5 percent of the units manufactured will be defective. If the retail price is $2,500 per unit and the manufacturer offers a full refund for defective units, how much money can the manufacturer expect to need to cover the refunds on 20,000 units?

选项:

A、Between $15,000 and $25,000
B、Between $30,000 and $50,000
C、Between $60,000 and $100,000
D、Between $150,000 and $250,000
E、Between $300,000 and $500,000

答案:

D

提问:

姜老师,我找不到博小智原题,就在这问您一道排列组合题,谢谢!10件不同商品,四件次品,6件正品,直到检测出全部次品,多少种检测方法,您可以分解一下解题过程,我对于为什么把C41*C61放一起不是很理解。或您按照您的解释讲一下吧。谢谢!

解答:

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解答: 姜山

提问:

姜老师,我找不到博小智原题,就在这问您一道排列组合题,谢谢!10件不同商品,四件次品,6件正品,直到检测出全部次品,多少种检测方法,您可以分解一下解题过程,我对于为什么把C41*C61放一起不是很理解。或您按照您的解释讲一下吧。谢谢!

解答:

点赞0
阅读1185
解答: 姜山老师

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