The joint probability distribution of the number of cars X and the number of buses Y per signal cycle at a proposed left-turn lane is displayed in the accompanying joint probability table. y 0 1 2 0 0.025 0.015 0.010 0.050 0.030 0.020 N 0.125 0.075 0.050 X 3 0.150 0.090 0.060 4 0.100 0.060 0.040 5 0.050 0.030 0.020 What is the probability that there is at most one car and at most one bus during a cycle? O 12% O 32% O 2% O 3%