SOLUTION: 5 batteries... 3 bad and 2 good. if you pick 4, what is the probability that you will get 2 good and 2 bad?

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Question 515116: 5 batteries... 3 bad and 2 good. if you pick 4, what is the probability that you will get 2 good and 2 bad?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
5 batteries... 3 bad and 2 good. if you pick 4, what is the probability that you will get 2 good and 2 bad?
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# of ways to get 2 good: 2C2 = 1
# of ways to get 2 bad: 3C2 = 3
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Total # of ways to succeed: 1*3 = 3
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Total # of random sets of 4 = 5C4 = 5
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Ans: P(2 good and 3 bad) = 3/5
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Cheers,
Stan H.