SOLUTION: If I have a population of 225 pieces, and I know that there are 3 defective pieces in the population, what are the chances of selecting 2 of the defective pieces with a sample size

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Question 1038382: If I have a population of 225 pieces, and I know that there are 3 defective pieces in the population, what are the chances of selecting 2 of the defective pieces with a sample size of 10?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If I have a population of 225 pieces, and I know that there are 3 defective pieces in the population, what are the chances of selecting 2 of the defective pieces with a sample size of 10?
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# of ways to succeed:: 3C2*222C8
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# of possible outcomes:: 225C10
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P(condition) = [3C2*222C8]/225C10 = 0.0052
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Cheers,
Stan H.
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