SOLUTION: How many ways can sherri select 5 addresses from a list of 20 addresses.

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Question 448182: How many ways can sherri select 5 addresses from a list of 20 addresses.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A deck of 52 cards is dealt.
How many possible four card combinations?
Ans: 52C4 = (52*51*50*49)/(1*2*3*4) = 270,725
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What is the probability of having all spades?
Ans: 1/270,725
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Probability of having 4 of a kind?
Ans: 13/260,725
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Cheers,
Stan H.