document.write( "Question 1134436: 42.A team plays 15 games a season. How many ways are there to end up with 8 wins and 7 losses for the season? \n" ); document.write( "
Algebra.Com's Answer #751827 by mathsolverplus(88)\"\" \"About 
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This situation assumed that there are only two outcomes and tying doesn't exist.\r
\n" ); document.write( "\n" ); document.write( "Let C(n,r) denote the number of combinations of n items chosen r items at a time.\r
\n" ); document.write( "\n" ); document.write( "C(n,r) = \"n%21%2F%28%28n-r%29%21r%21%29\"\r
\n" ); document.write( "\n" ); document.write( "Number of ways to win 8 out of 15 games: \r
\n" ); document.write( "\n" ); document.write( "C(15,8) = \"15%21%2F%28%2815-8%29%218%21%29\"
\n" ); document.write( " = \"%2815%2A14%2A13%2A12%2A11%2A10%2A9%29%2F%287%2A6%2A5%2A4%2A3%2A2%2A1%29\"
\n" ); document.write( " = 6435\r
\n" ); document.write( "\n" ); document.write( "Number of ways to lose 7 out of 7 remaining games:\r
\n" ); document.write( "\n" ); document.write( "C(7.7) = \"7%21%2F7%21\" = 1\r
\n" ); document.write( "\n" ); document.write( "Hence, the total number of ways to have 8 wins and 7 losses is:\r
\n" ); document.write( "\n" ); document.write( "6435*1 = 6435\r
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