document.write( "Question 284404: In a lottery, players win a large prize when they pick four digits that match, in the correct order. A smaller prize is won if only three digits are matched. What is the probability that a player wins the large prize? What is the probability that a player wins the small prize? \n" ); document.write( "
Algebra.Com's Answer #206390 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! In a lottery, players win a large prize when they pick four digits that match, in the correct order. A smaller prize is won if only three digits are matched. What is the probability that a player wins the large prize? What is the probability that a player wins the small prize? \n" ); document.write( "---------------------------------------------------- \n" ); document.write( "Prob of winning large prize: \n" ); document.write( "# of ways to get 4 in the correct order: 1 \n" ); document.write( "# of possible outcomes: \n" ); document.write( "10C4 = 210 groups of 4 digits \n" ); document.write( "# of orders = 4! = 24 \n" ); document.write( "So, # of possible outcomes = 24*210 = 5040 \n" ); document.write( "----------------------------------------------- \n" ); document.write( "P(winning larger prize) = 1/5040 \n" ); document.write( "========================================== \n" ); document.write( "Prob of winning smaller prize \n" ); document.write( "# ways to get 3 matched: 4C3 = 4 \n" ); document.write( "# of possible outcomes: \n" ); document.write( "10C3*3# = 720 \n" ); document.write( "--- \n" ); document.write( "P(winning smaller prize) = 4/720 = 1/180 \n" ); document.write( "============================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |