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**jacks****Member**- Registered: 2012-11-21
- Posts: 132

a train consists of n carriage, each of which may have a defect with probability p.all the carriage are inspected

, independentely of one another,by two inspectors, the first detects defects(if any) with probability p1 and

the second with probability p2. if none of the carrage is found to have a defect,the train departs. find the probability

of the event; ' the train departs with at least one defective carriage.

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**thickhead****Member**- Registered: 2016-04-16
- Posts: 1,086

**{1}Vasudhaiva Kutumakam.{The whole Universe is a family.}(2)Yatra naaryasthu poojyanthe Ramanthe tatra Devataha{Gods rejoice at those places where ladies are respected.}**

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**jacks****Member**- Registered: 2012-11-21
- Posts: 132

Thanks Thickhead.

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