Natalia lives in a house that is 2 meters below sea level. Natalia goes to school every day, which is 13 meters above sea level. How many meters does Natalia travel, in altitude, when going from home to school?

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? 0.62 0.78 0.84 0.96