document.write( "Question 369928: There are five peolpe in a room, three men and two women. They leave the room one by one, in random order, until the room is empty. What is the probability that:
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document.write( "a)The first person to leave the room is a woman.
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document.write( "b)The firs three people to leave the room are all men.\r
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document.write( "Thank You for your help, I appreciate it! \n" );
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Algebra.Com's Answer #263572 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! There are five people in a room, three men and two women. They leave the room one by one, in random order, until the room is empty. What is the probability that: \n" ); document.write( "a)The first person to leave the room is a woman. \n" ); document.write( "Ans: 2/5 \n" ); document.write( "------------------ \n" ); document.write( "b)The first three people to leave the room are all men. \n" ); document.write( "Ans: 3C3/5C3 = 1/(5*4/1*2) = 1/10 \n" ); document.write( "====================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |