Question: Twenty balls in an urn are numbered 1 through 20. A blindfolded contestant draws five balls from the urn, with the order of the draw recorded.
(a) What is the probability that balls 1, 2, 3, 4, and 5 were drawn (in this order)?
(b) What is the probability that the number 3 ball was selected?
(c) What is the probability that an even-numbered ball was drawn?