For the 2019 season, 35,000 people visited the Blue Lagoon Water Park. The park was open 120 days for water activities. The highest number of visitors on a single day was 500. The lowest number of visitors on a single day was 50. Determine whether it is possible to determine the following with the given information.

a) The mean number of visitors per day

b) The median number of visitors per day

c) The mode number of visitors per day

d) The midrange number of visitors per day