document.write( "Question 116211: Seven workers decided to send a delegation of 2 to their supervisor to discuss their grievances.\r
\n" ); document.write( "\n" ); document.write( "(a)How many different delegations are possible?\r
\n" ); document.write( "\n" ); document.write( "(b)If it is decided that a certain employee must be in the delegation, how many different delegations are possible?\r
\n" ); document.write( "\n" ); document.write( "(c)If there are 2 women and 5 men in the group, how many delegations would include at least 1 woman?
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Algebra.Com's Answer #84554 by edjones(8007)\"\" \"About 
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a.
\n" ); document.write( "How many combinations of 2 out 7 people are there?
\n" ); document.write( "n=7 r=2
\n" ); document.write( "C=n!/(n-r)!*r!
\n" ); document.write( "=7!/(7-2)!*2!
\n" ); document.write( "=7*6*5*4*3*2/5*4*3*2*2
\n" ); document.write( "=7*6/2=21 Ans.
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\n" ); document.write( "b.
\n" ); document.write( "6 (any one of the other people.)
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\n" ); document.write( "c.
\n" ); document.write( "6/21+5/21=11/21 chances at least one is a women.
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