A park ranger wants to know the average time it takes hikers to hike a trail. There is an average of 1,245 hikers on the trail in a year. How can he find a reasonable estimate for the amount of time it takes to hike the trail? A time any hiker on the trail and use that time

B time himself on the trail and use that time

C time 100 hikers and average their times

D time 3 hikers and average their times