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A box in a certain supply room contains four 40-w

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Reference no: EM13576636

A box in a certain supply room contains four 40-W lightbulbs, three 60-W bulbs, and six 75-W bulbs. Suppose that three bulbs are randomly selected.
(a) What is the probability that exactly two of the selected bulbs are rated 75-W?

Reference no: EM13576636

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