document.write( "Question 448182: How many ways can sherri select 5 addresses from a list of 20 addresses. \n" ); document.write( "
Algebra.Com's Answer #308531 by stanbon(75887)\"\" \"About 
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A deck of 52 cards is dealt.
\n" ); document.write( "How many possible four card combinations?
\n" ); document.write( "Ans: 52C4 = (52*51*50*49)/(1*2*3*4) = 270,725
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\n" ); document.write( "What is the probability of having all spades?
\n" ); document.write( "Ans: 1/270,725
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\n" ); document.write( "Probability of having 4 of a kind?
\n" ); document.write( "Ans: 13/260,725
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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