document.write( "Question 1203989: A lottery exists where balls numbered 1 to 18 are placed in an urn. Five balls are randomly selected. To win you must match all five balls in any order. How many possible outcomes are there for this game? \n" ); document.write( "

Algebra.Com's Answer #839959 by ikleyn(52775) $\"\"$ $\"About$

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document.write( "The number of all possible outcomes is the number of all possible combinations of 18 balls taken 5 at a time\r\n" );
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document.write( "     =  = 8568.    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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\n" ); document.write( "\n" ); document.write( "In this problem, the order of 5 balls does not matter - therefore, we consider combinations.\r
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\n" ); document.write( "\n" ); document.write( "On Combinations, see introductory lessons\r
\n" ); document.write( "\n" ); document.write( "    - Introduction to Combinations\r
\n" ); document.write( "\n" ); document.write( "    - PROOF of the formula on the number of Combinations\r
\n" ); document.write( "\n" ); document.write( "    - Problems on Combinations\r
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