Mathematics, 18.02.2021 07:50, Mariaisagon9050

A box contains 24 lightbulbs, of which four are defective. Three of the bulbs are chosen at random. What is the probability all the bulbs chosen work properly? What is the probability two work properly and one doesn’t?

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A box contains 24 lightbulbs, of which four are defective. Three of the bulbs are chosen at random....