Statistical Applications A quality control engineer has been asked to examine a

Question

Statistical Applications A quality control engineer has been asked to examine a complex electronic system that is out of control. The examination will involve testing five mechanisms within the system to identify the one that is faulty. Assume that one and only one mechanism is faulty. If the mechanisms are randomly chosen for examination by the engineer but excluded from further consideration if found satisfac- tory, what is the probability that the faulty switching mechanism will be discovered at the following times: 5.12 a. During the second examination b. During the third examination c. Before the third examination

Explanation / Answer

Solution..................................................

Part c ...........

probability = 3/5 Answer

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