document.write( "Question 806690: A gumball machine contains 25 gumballs - 9 red, 6 blue, 7 green and 3 yellow. You buy five gumballs from the machine.\r
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document.write( "X = number of green gumballs you get\r
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document.write( "Can you help me find the probability? \n" );
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Algebra.Com's Answer #486096 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A gumball machine contains 25 gumballs - 9 red, 6 blue, 7 green and 3 yellow. You buy five gumballs from the machine. \n" ); document.write( "X = number of green gumballs you get\r \n" ); document.write( "\n" ); document.write( "----- \n" ); document.write( "P(0 green) = 18C5/25C5 = 0.1613 \n" ); document.write( "--- \n" ); document.write( "P(1 green) = [7C1*18C4]/25C5 \n" ); document.write( "--- \n" ); document.write( "P(2 green) = [7C2*18C3]/25C5 \n" ); document.write( "--- \n" ); document.write( "P(3 green) = [7C3*18C2]/25C5 \n" ); document.write( "--- \n" ); document.write( "P(4 green) = [7C4*18C1]/25C5 \n" ); document.write( "--- \n" ); document.write( "P(5 green) = [7C5*18C2]/25C5 \n" ); document.write( "================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "==================== \n" ); document.write( " \n" ); document.write( " |