document.write( "Question 167408: A scratcher has four even numbers and four odd numbers covered. What are the odds that you would scratch off three even numbers on your first try? \n" ); document.write( "
Algebra.Com's Answer #123323 by stanbon(75887) ![]() You can put this solution on YOUR website! A scratcher has four even numbers and four odd numbers covered. What are the odds that you would scratch off three even numbers on your first try? \n" ); document.write( "----------- \n" ); document.write( "P(3 even with no replacement) = (4/8)(3/7)(2/6) = 0.0714... \n" ); document.write( "P(not 3 even) = 0.92857.. \n" ); document.write( "---------- \n" ); document.write( "Odds in favor of 3 even = P(3 even)/P(not 3 even) = 0.07689... \n" ); document.write( "=========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |