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Mathematics, 10.03.2020 09:15 whitbol

5. A box in a supply room contains 15 compact fluorescent lightbulbs, of which 5 are rated 13-watt, 6 are rated 18-watt, and 4 are rated 23-watt. Suppose that three of these bulbs are randomly selected. a. What is the probability that exactly two of the selected bulbs are rated 23-watt

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5. A box in a supply room contains 15 compact fluorescent lightbulbs, of which 5 are rated 13-watt,...

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