document.write( "Question 99923: The emergency room at Victory hospital employs eight male and ten female nurses. A special Triage unit of six nurses is being formed. In how many ways can this be done if:\r
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document.write( "a): The unit must have three males and three females?\r
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document.write( "b): The unit must have at least one female nurse?\r
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document.write( "Thanks...
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document.write( "Steve \n" );
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Algebra.Com's Answer #72729 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The emergency room at Victory hospital employs eight male and ten female nurses. A special Triage unit of six nurses is being formed. In how many ways can this be done if:\r \n" ); document.write( "\n" ); document.write( "a): The unit must have three males and three females? \n" ); document.write( "# of ways to pick 3 males: 8C3 \n" ); document.write( "# of ways to pick 3 females: 10C3 \n" ); document.write( "# of ways to have 3 males and 3 females = 8C3 * 10C3 = 6720 ways \n" ); document.write( "---------------------------------------------\r \n" ); document.write( "\n" ); document.write( "b): The unit must have at least one female nurse? \n" ); document.write( "# of ways to pick 6 nurses with any gender = 18C6 \n" ); document.write( "# of ways to pick 6 male nurses = 8C6 \n" ); document.write( "---------- \n" ); document.write( "# of ways to pick 6 nurses with at least one female \n" ); document.write( "equals 18C6 - 8C6 = 18,536 \n" ); document.write( "======================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |