A sign on the pumps at a gas station encourages customers to have their oil checked, and claims that one out of 3 cars needs to have oil added. If this is true, what is the probability of each of the following: A. One out of the next four cars needs oil. Probability = 0.3951 B. Two out of the next eight cars needs oil. Probability = 0.2731 C. 10 out of the next 40 cars needs oil. Probability =