Heights od adult males are known to have a normal distribution. a researcher claims to have randomly selected adult males and measured their heights with the resulting relative frequency distribution as shown here. identify two major flaws with these results

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