X, the time until the first аrrivаl tо аn ATM, has the expоnential pdf with mean equal tо 6.4 minutes. 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. If we start watching the ATM at 9 am and at 9:02 am no arrival has occurred, the probability that the first arrival will occur after 9:0[x] am is _______________. Answer to four decimal places. Hint: You will need to apply a certain property here.