The National Safety Council (NSC) estimates that off-the-job accidents cost U.S.businesses almost$200 billion annually in lost productivity (National Safety Council,March 2006). Based on NSC estimates, companies with 50 employees are expected toaverage threeemployee off-the-job accidents per year. Answer the following questions forcompanies with50 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 isthe expectednumber of off-the-job accidents during six months?
d. What is the probability of no off-the-job accidents during the next six months?