SOLUTION: How many ways can 20 diseases be selected from 30?

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Question 541910: How many ways can
20 diseases be selected from 30?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How many ways can
20 diseases be selected from 30?
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Selecting 20 from 30 is the same as not selecting 10 from 30
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30C20 = 30C10 = 30,045,015 ways
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Cheers,
Stan H.
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