document.write( "Question 725503: What is the probability that a poker hand (5 card draw) contains nothing but aces and eights?\r \n" );
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document.write( "-I've went to my instructor for help and he told me that it would be a combination problem.\r \n" );
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document.write( "-The way I was doing it was that I wrote out the elements: \n" );
document.write( "{1(A),4(8)},{2(A),3(8)},{3(A),2(8)},{4(A),1(8)}\r \n" );
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document.write( "Then I wrote my answer as (1/52)*(1/51)*(1/50)*(1/49)*(1/48) because a poker hand is without replacement (showing that I am not returning an ace or eight back to the deck).\r \n" );
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document.write( "-I've tried both combination formulas that I have and it is not giving me an answer less than or equal to 1 (since it is a probability problem). \r \n" );
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document.write( "the two combination formulas I have are: \r \n" );
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document.write( "n!/[r!(n-r)!] (without replacement)\r \n" );
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document.write( "(r+(n-1)) \n" );
document.write( "( r ) (with replacement) *(trying to show a combination \"()\" instead of a fraction or two separate \"()\")*\r \n" );
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