document.write( "Question 542738: •What is the probability that you and a friend both solve the same five problems?\r
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document.write( "The test has 6 questions, you are required to answer 3 given questions but can pick the other two questions from a pool of 3 questions. \n" );
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Algebra.Com's Answer #354691 by stanbon(75887) ![]() You can put this solution on YOUR website! What is the probability that you and a friend both solve the same five problems? \n" ); document.write( "The test has 6 questions, you are required to answer 3 given questions but can pick the other two questions from a pool of 3 questions. \n" ); document.write( "----- \n" ); document.write( "There are 3C2 = 3 sets of 2 questions \n" ); document.write( "One of them is the same as your friends choice of 2. \n" ); document.write( "P(choose same set of 2) = 1/3\r \n" ); document.write( "\n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |