The National Safety Council (NSC) estimates that off-the-job accidents cost U.S.businesses almost $200 billion annually in lost productivity.Based on NSC estimates, companies are expected to average three employee off-the-job accidents peryear. a. What is the probability of no off-the-job accidents during a one-year period? b. What is the probability of at least two off-the-job accidents during a one-year period? c. What is the expected number of off-the-job accidents during six months? d. What is the probability of no off-the-job accidents during the next six months?