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Suppose that steel wire has a mean tensile strength of 1200 lb. A cable is to be constructed with a capacity of 10,000 lb. How

Suppose that steel wire has a mean tensile strength of 1200 lb. A cable is to be constructed with a capacity of 10,000 lb. How many wires are required for a reliability of 0.999 if the wires have a 2% coefficient of variation? If the wires have a 5% coefficient of variation

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