The Bureau of Motor Vehicles keeps records about car ownership, and according to these records, American households can own anywhere from zero cars to more than six cars. The table below gives the probability model for car ownership. According to this model, the probability that a randomly selected American household owns at most two cars is equal to what value? Number of cars 2 3 4 5 6 or more Probability 0.10 0.28 0.38 0.16 0.05 0.02 0.01 O 0.66 O 0.38 O 0.76 O 0.28 O 0.62