Gionino's Pizzeria is considering opening a drive-through window for customer pickups. It is estimated that at peak times (5-9pm), customers will arrive at a rate of 10.3 per hour. The clerk who will staff the window can serve customers at the rate of 1 every 4 minutes.

For the peak times, what is the probability that more than two customers will be in the system at one time?

Give your answer to 2 decimal places and NOT as a %. For example, answer like 0.23