document.write( "Question 62828: In a lottery, the player selects six numbers from the numbers 1-30. There are six winning numbers (all different) which are selected at random from the numbers 1-30. To win a prize, the ticket must contain three or more of the winning numbers. If you buy one lottery ticket, determine the probability that your ticket contains exactly three winning numbers. \n" ); document.write( "
Algebra.Com's Answer #43662 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! # of ways to get three winning tickets = 6C3 \n" ); document.write( "# of ways to get three non-winning tickets = 24C3 \n" ); document.write( "# of ways to get 3 win and 3 non-wiin = [6C3*24C3] \n" ); document.write( "# of ways to draw 6 from the pool of 20= 30C6 \n" ); document.write( "Prob(3win 3no-win)=[6C3*24C3]/30C6=0.068 \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |