ScooterShare has 1200 scooters in the city of Chicago. On average 3000 guests rent a scooter every hour. The average rental lasts for 15 minutes. The average number of scooters that are in-use (i.e., being rented by a guest) is Question 38 options: less than or equal to 500 greater than 500 and less than or equal to 1000 greater than 1000 and less than or equal to 20000 greater than 20000