A special raffle ticket lists 5 different numbers. The numbers range from 1 to 9. To choose a winner, 9 balls numbered 1 to 9 are placed in a container and mixed thoroughly. Then 5 balls are drawn at random. The person who has the same numbers as the numbers on the 5 balls, in any order, wins a prize.

Which calculation is equal to the probability that a particular person will win the raffle?

a. 5/9c5
b. 5c5/9c4
c. 5/9c4
d. 5c5/9c5