document.write( "Question 859933: A club with 23 members is voting on a proposal. A group of 5 has decided to vote in favor of the proposal while each of the rest of the members vote independently with a chance of 50% in favor of the proposal. What are the chances that the proposal will get the majority vote. \n" ); document.write( "
Algebra.Com's Answer #518067 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A club with 23 members is voting on a proposal. A group of 5 has decided to vote in favor of the proposal while each of the rest of the members vote independently with a chance of 50% in favor of the proposal. What are the chances that the proposal will get the majority vote. \n" ); document.write( "---------------------------------- \n" ); document.write( "Majority means >= 12 \n" ); document.write( "5 are already in favor. \n" ); document.write( "Need >= 7 out of 12. \n" ); document.write( "----- \n" ); document.write( "P(x >= 7) = 1 - P(x<=6) = 1-binomcdf(12,0.5,6) = 0.3872 \n" ); document.write( "--------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--------------------- \n" ); document.write( " \n" ); document.write( " |