A Hotel Green Belt is trying to solve the problem of rooms not being available for guests at check in Which of the following might make a good hypothesis statement?
a. Some Housekeeping staff are given too many rooms to clean per shift resulting in rooms being unavailable at time of check in
b. Adding more staff will solve the Room Not Ready issue at the hotel property
c. Reducing customer traffic will increase room availability
d. Updating the rooms list will reduce the number of unavailable rooms