Question: An assembly plant receives its voltage regulators from two different suppliers: 75 percent come from Hayes Voltage Co. and 25 percent come from Romig Voltage
An assembly plant receives its voltage regulators from two different suppliers: 75 percent come from Hayes Voltage Co. and 25 percent come from Romig Voltage Co. The percentage of voltage regulators from Hayes that perform according to specification is 95 percent. The voltage regulators from Romig perform according to specification only 80 percent of the time. If one of the voltage regulators performs to spec, what is the probability that it came from Hayes
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