Question: A consignment of 12 electronic components contains 1 component that is faulty. Two components are chosen randomly from this consignment for testing. a. How many

A consignment of 12 electronic components contains 1 component that is faulty. Two components are chosen randomly from this consignment for testing.
a. How many different combinations of 2 components could be chosen?
b. What is the probability that the faulty component will be chosen for testing?

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