A random survey of 500 people in North Carolina showed that 80 had taken a trip to the Great Smokey Mountains National Park within a year or less. In a random survey of 200 North Carolinians, how many could be predicted to have taken a trip to the Great Smokey Mountains within a year or less?
 a. 16
 b. 32
 c. 48
 d. 80
 (with explanation)