(Solved): A box in a supply room contains 22 compact fluorescent lightbulbs, of which 7 are rated 13-watt, 9 a ...
A box in a supply room contains 22 compact fluorescent lightbulbs, of which 7 are rated 13-watt, 9 are rated 18-watt, and 6 are rated 23-watt. Suppose that three of these bulbs are randomly selected. (Round your answers to three decimal places.)