According to the U. S. Bureau of the Census, about 75% of commuters in the United States drive to work alone. Suppose 150 U. S. commuters are randomly sampled. (a) What is the probability that fewer than 101 commuters drive to work alone

This size running track is usually called a 400 meter track. however if a person ran as close to the inside as possible on the track they would run less than 400 meters in one lap. how far away from the inside border would someone have to run to make one lap equal exactly 400 meters