document.write( "Question 279849: A committee of two is selected at random from a set consisting of three Democrats, four Republicans and one Independent.\r
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document.write( "(a) What is the probability that the committee consists of no Republicans?\r
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document.write( "(b) What is the probability that the committee consists of all Republicans? \n" );
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Algebra.Com's Answer #203397 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "There are 4 ways out of 8 to select other than a Republican for the first position on the committee. Once the first position has been filled and it is known that it is not a Republican, then there remain 3 ways out of 7 to select other than a Republican, hence the Probability of no Republicans is:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The other part of this problem is left as an exercise for the student. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Super Double Plus Extra Credit: What is the probability of exactly 1 Republican? Remember, sometimes it is easier to find the probability of anything else happening and then subtract from 1.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |