A Myrtle Beach resort hotel has 120 rooms. In the spring months, hotel room occupancy is approximately 75%. What is the probability that at least half of the rooms are occupied on a given day (to 4 decimals)? What is the probability that 100 or more rooms are occupied on a given day (to 4 decimals)? What is the probability that 80 or fewer rooms are occupied on a given day (to 4 decimals)?