In a lottery game, 40 numbered ping-pong balls are put in a bin, and 5 are randomly chosen You'll get twice your money back if you match three of the five numbers. Still using the
same number of outcomes as the game above (choosing 5 different ping-pong balls from
the 40), determine the probability of matching three out of five numbers.

Total # of ways that you can win (enter a formula as indicated)