4. The product engineer for an automobile safety testing agency is evaluating the likelihood of a re in the batteries of electric automobiles. She randomly selects 100 electric vehicles for testing and the cars were driven by the employees of the agency. The study was terminated when the 20th vehicle had a re in its battery. The engineer recorded the number of miles each vehicle was driven until either the vehicle's battery caught on re or until the study was terminated. What type of censoring took place, if any? A. Right censoring Type I censoring Type II censoring Random censoring ECO?\" There is no censoring because a mileage was recorded for each vehicle