document.write( "Question 305318: A bag contains 10 red and 15 black balls.if 5 balls are drawn from bag what is probability we get at least one black ball? \n" ); document.write( "
Algebra.Com's Answer #218583 by stanbon(75887) ![]() You can put this solution on YOUR website! A bag contains 10 red and 15 black balls.if 5 balls are drawn from bag what is probability we get at least one black ball? \n" ); document.write( "------------------------------ \n" ); document.write( "P(atleast one black) = 1 - P(no black) \n" ); document.write( "----- \n" ); document.write( "P(x>=1) = 1 - [10C5/25C5] \n" ); document.write( "= 1 - 0.0047 \n" ); document.write( "= 0.9953 \n" ); document.write( "=============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |