The probability that a vehicle entering the Luray Caverns has Canadian license plates is 0.12; the probability that it is a camper is 0.28; and the probability that it is a camper with Canadian license plates is 0.09. What is the probability that
a) A camper entering the Luray Caverns has Canadian license plates?
b) A vehicle with Canadian license plates entering the Luray Caverns is a camper?
c) A vehicle entering the Luray Caverns does not have Canadian plates or is not a camper?