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This problem involves inspection at a widget factory. Assume that a box contains 6 defective widgets and 12 acceptable widgets. There are 3 inspectors, each

This problem involves inspection at a widget factory. Assume that a box contains 6 defective widgets and 12 acceptable widgets. There are 3 inspectors, each of whom selects a widget from the box at random, inspects it, and then replaces it in the box. Each inspector makes his or her inspection at a different time.

What is the probability that at least one inspector will find a defective widget?

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