O. (5 pts) The BlueBikes bikeshare service in Boston has a eet of about 2500 bicycles. The pattern of rental and returns for bikes is broken down by regions: Downtown, Back Bay, Other. Assume that the fractions of bikes rented in each location that is returned in each location is given in the table below. Rented From Downtown Back Bay ' Other Downtown 0.90 0.01 0.09 Returned to Back Bay 0.01 0.90 0.01 Other 0.09 0.09 0.90 Consider if BlueBikes did not itself do any transport of bikes between locations. Then, on a typical day, about how many bikes would be in each region