Question: The National Safety Council (NSC) estimates that off-the-job accidents cost U.S. businesses almost 5200 billion annually in lost productivity (National Safety Council. March 2006). Based on NSC estimates, companies with 50 employees are expected to average three employee off-the-job accidents per year. Answer the following questions for companies with 50 employees.
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?