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How do I do this probability homework question? I'm desperate! (10 points for best answer!)?
In a box there are 23 light-bulbs, of which 10 are not working. We select 9 light-bulbs at random without replacement. What is the chance that 4 of the selected light-bulbs are not working?
I've attempted this close to 10 times, and still can't figure it out! It would be awesome if you could show me how to get to the answer so I can actually understand the problem. Thank you!
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