document.write( "Question 419957: There are 5 brown, 6 red and 4 white marbles in a hat. You pick 4 marbles from the hat. Marbles are not returned after they have been drawn. What is the probability of picking 4 white marbles in a row? \n" ); document.write( "
Algebra.Com's Answer #293619 by stanbon(75887) ![]() You can put this solution on YOUR website! ): There are 5 brown, 6 red and 4 white marbles in a hat. You pick 4 marbles from the hat. Marbles are not returned after they have been drawn. What is the probability of picking 4 white marbles in a row? \n" ); document.write( "----------------------------------- \n" ); document.write( "1st: 4/15 \n" ); document.write( "2nd: 3/14 \n" ); document.write( "3rd: 2/13 \n" ); document.write( "4th: 1/12 \n" ); document.write( "P(4 in a row) = product of those = (1*2*3*4)/(12*13*14*15) = 0.0007326... \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |