... results were as follows: 178 liked to ski, 154 liked to snowboard, 57 liked to ice skate, 49 liked to ski and snowboard, 15 liked to ski and ice skate, 2 liked to snowboard and ice skate, and 2 liked all three activities.
Use the ven diagram to determine how many of those surveyed enjoyed
a. Exactly one of these activities
b. None of this activities
C. At least two of these activities
d. Snowboarding and ice ice skating, but not skiing.
e. Snowboarding or ice skating, but not skiing
f. Only skiing