Suzie is the manager for Campus Pizza. She wanted to inform all the drivers how many of the customers gave at least a minimum tip of $2 for a pizza delivery. Campus Pizza sent out 250 deliveries on Friday night. It was reported that when the pizza was delivered a tip of $2 or more was given to the driver in 225 of those deliveries. In what fractional part of the deliveries were the drivers given a tip of $2 or more?