The probability that a motor vehicle entering the Luray Caverns has Canadian license plates is 0.35; the probability that it is a camper is 0.4; and the probability that it is a camper with Canadian license plates is 0.25. What is the probability that
(a) A vehicle with Canadian license plates entering the Luray Caverns is a camper?
(b) A camper entering the Luray Caverns has Canadian license plates?
(c) A vehicle entering the Luray Caverns does not have Canadian plates or is not a camper?