a study shows that employees that begin their work day at 9:00am vary their times of arrival uniformly from 8:40 am to 9:30 am.

a study shows that employees that begin their work day at 9:00am vary their times of arrival uniformly from 8:40 am to 9:30 am. The probability that a randomly chosen employee reports to work between 9:00 and 9:10 is:a) 40%b) 20%c) 10%d) 30%e) 16.7%