Emergency 911 calls to a small municipality in Idaho come in at the rate of one everyfourminutes.Assume that the number of 911 calls is a random variable that can be described by the Poisson distribution.(a)What is the expected number of 911 calls in 1 hour? (b)What is the probability oftwo911 calls in 5 minutes? (Round your answer to four decimal places.) (c)What is the probability of no 911 calls in a 5-minute period? (Round your answer to four decimal places.)