Mathematics, 21.07.2019 07:00 iicekingmann

By accident, 4 burned out bulbs have been mixed in with 20 good ones. ken is replacing old bulbs in his house. if he selects two bulbs at random from the box of 24, what is the probability they both work?

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By accident, 4 burned out bulbs have been mixed in with 20 good ones. ken is replacing old bulbs in...