An electronic device consists of three components. The three components are in series so that the failure of one component causes the failure of the...

An electronic device consists of three components. The three components are in series so that the failure of one component causes the failure of the device. The reliability of the devise can be improved by installing one or two standby units in each component. The table listed below charts the reliability, r, and the cost, c. The total capital available for the construction of the device is $10,000. You need to determine how the device should be constructed.

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