document.write( "Question 287482: A committee of 5 people is to be selected from student council. Council has 6 boys and 7 girls. What is the probability that the committee will have at least 3 boys?\r
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document.write( "I know the answer is 59/143 = .413\r
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document.write( "I don't know the steps of how to solve the problem. \n" );
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Algebra.Com's Answer #208319 by stanbon(75887) ![]() You can put this solution on YOUR website! A committee of 5 people is to be selected from student council. Council has 6 boys and 7 girls. What is the probability that the committee will have at least 3 boys? \n" ); document.write( "I know the answer is 59/143 = .413 \n" ); document.write( "I don't know the steps of how to solve the problem. \n" ); document.write( "--------------------------------------------------------- \n" ); document.write( "P(3<= x <=5) = p(x=3) + P(x=4) + P(x=5) \n" ); document.write( "= 6C3/13C3 + 6C4/13C3 + 6C5/13C3 \n" ); document.write( "---------- \n" ); document.write( "= [6C3+6C4+6C5]/13C3 \n" ); document.write( "------ \n" ); document.write( "= [20+15+6]/286 \n" ); document.write( "--- \n" ); document.write( "= 41/286 \n" ); document.write( "= 0.1434 \n" ); document.write( "====================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "====================== \n" ); document.write( " |