If we were the patients, the AECL board or the hospitals we would want Therac-25 to be approved. If we were the public or FDA we would want the equipment out of the market. The main alternative to the reality would have been for AECL to take under consideration a software error. One other alternative would have been for the company to assign more accurate probabilities for hazard occurrence, while running the Fault Tree Analysis. Finally, the third alternative would have been to use a better method to determine hazard occurrence. A better method is a method that would have been capable to return higher risks associated with the use of Therac-25 and which would have determined AECL to adjust the equipment. The first alternative is superior to the other 2 suggested as it is more logical and the probability...
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