Suppose we have the following contingency table relating grades and study time GPA GPA GPA 2.0- Total >=3.0 < 2.0 2.99 less than 10 10 20 30 60 hours per week 11-15 hours per 15 30 30 20 65 lweek more than 16 25 10 5 40 hours per week Total 50 60 55 165 What is the probability that a randomly selected person has a GPA between 2.0 and 2.99 and studies 11-15 hours per week? 30/60 30/65 60/165 30/165