The U.S. Department of Transportation maintains statistics for mishandled bags per 1,000 airline passengers. In the first

Question:

The U.S. Department of Transportation maintains statistics for mishandled bags per 1,000 airline passengers. In the first nine months of 2009, airlines had mishandled 3.89 bags per 1,000 passengers. What is the probability that in the next 1,000 passengers, airlines will have
a. No mishandled bags?
b. At least one mishandled bag?
c. At least two mishandled bags?