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Anonyrnous
I asked /adv/ but they wouldn't help... 2015-11-19 17:31:40 Post No. 7668839
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I asked /adv/ but they wouldn't help... 2015-11-19 17:31:40 Post No. 7668839
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Three people are selected at random from a group of 11 men and 7 women. What are the odds that...
a) at least one man is selected
b) two men and a woman are selected
How do I do this? I'm trying to study for a test but I don't know how to approach this problem.
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go back to /mu/
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>>7668844
I've never been to /mu/ and I don't plan on going there. I need to figure this out.
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https://www.khanacademy.org/math/probability/random-variables-topic/binomial_distribution/v/binomial-distribution
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>>7668839
(11/18)^3+3(11/18)^2(7/18)+3(11/18)(7/18)^2
3(11/18)^2(7/18)
baka desu senpai
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>>7668847
M8, that's gonna drain all my data.
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>>7668857
Wouldn't it be easier to write the first one as 1-(7/18)^3
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>>7668866
Shut up
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>>7668860
get the fuck out of here mobile norm
no one is going to do your homework for you
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Holy fuck are you stupid
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