24. traffic lights the traffic lights at a certain intersection in the city of pasadena show green for 40 seconds, yellow for 4 seconds, and red for 36 seconds. a. charlie was distracted when he drove through the intersection without paying attention to the traffic lights. what is the probability that he went through a red light? b. joan was seen driving through the intersection when the traffic light was not showing red. what is the prob- ability that she drove through the intersection when the light was yellow?