A gumball dispenser has 38 orange gumballs, 30 purple ones, and 18 yellow ones. The dispenser operates such that one penny delivers 1 gumball.

Using three pennies, what is the probability of obtaining 3 gumballs in the order of orange, purple, orange?

Using one penny, what is the probability of obtaining 1 gumball that is either purple or yellow?

Using three pennies, what is the probability that of the 3 gumballs obtained, exactly 1 will be purple and 1 will be yellow?