document.write( "Question 437555: A group consists of five men and seven women. Four people are selected to attend a conference.
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document.write( "a) In how many ways can four people be selected from this group of twelve?
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document.write( "b) In how many ways can four women be selected from the seven women?
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document.write( "c) Find the probability that the selected group will consist of all women . \n" );
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Algebra.Com's Answer #302712 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 5 men, 7 women, 4 selected \n" ); document.write( ". \n" ); document.write( "nCr=combination of n things taken r at a time=n!/((n-r)!*r!) \n" ); document.write( ". \n" ); document.write( "a)12C4=495 ways \n" ); document.write( ". \n" ); document.write( "b)7C4=35 ways \n" ); document.write( ". \n" ); document.write( "c) 35/495 = 7/99 the probability that the selected group will consist of all women. \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |