During a 69-year period, tornadoes killed 6755 people in the United States. Assume this rate holds true today and is constant throughout the year. Find the probability that tomorrow
(a) no one in the U. S. is killed by a tornado,
(b) one person in the U.S. is killed by a tornado,
(c) at most two people in the U.S. are killed by a tornado, and
(d) more than one person in the U.S. is killed by a tornado. (Source: National Weather Service)