Zoom is a courier service that picks-up and delivers documents and small packages for business customers in Santa Barbara CA. Its customers expect delivery within 30 minutes after a pick-up. The company uses both small vans and bikes to make deliveries to downtown and suburban locations. In a strategic effort to be more environmental sustainable and to reduce costs, the company would like to increase its use of bikes for delivery. During the last three weeks last month the operations manager gathered data on deliveries as shown in zoom data file