A prize will be given tо the 5th visitоr tо аn аmusement pаrk this weekend. Arrivals to the park are according to a Poisson process. If you wanted to determine the probability that the 5th visitor will arrive in the first 5 minutes, and you define X to be the time that the 5th visitor arrives to the park, X has the ______ distribution. This question is copywritten by Dr. L. Chattin and is part of a quiz or exam given at Arizona State University. It may not be posted or reproduced without permission from Dr. L. Chattin. Determine Express your answer as one word. Spelling counts.