A Study by the National Park Service Revealed That 50

Multiple Choice

A study by the National Park Service revealed that 50% of the vacationers going to the Rocky Mountain region visit Yellowstone Park,40% visit the Grand Tetons,and 35% visit both. What is the probability that a vacationer will visit at least one of these magnificent attractions?

A) 0.95
B) 0.35
C) 0.55
D) 0.05