The average number of hours spent in a computer lab for students in the STATS 2010 course is 6.2 visits with a standard deviation of 0.9. Samantha spends 5 hours a week and Grace spends 7 hours a week in the lab. What percent of the student population falls between these two times? 40.51% of the population 59.51% of the population O 27.85% of the population O 72.15% of the population