Which pairs of events are complementary? 1: the component is reliable 2: there is only one component 3: there are less than two components 4: more than two components are reliable 5: the component is unreliable 6: there is more than one component 7: most of the components are Unreliable O 2 and 3 b. 6 and 5 1 and 3 d. 1 and 5 a. C.

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