If it has 4 cylinders, it weighs less than 2,600 pounds, and its model year is 1980, what is the conditional probability that it is a Japanese vehicle? there are 300 cars total. 5 cars have 4 cylinders, weigh less than 2600 pounds and its model year is 1980. 1 car has 4 cylinders, weigh less than 2600 pounds and its model year is 1980 and is japanese