A sample of 200 college freshmen was asked how many hours per week they spent playing video games. The following frequency distribution presents the results. Number of Hours Frequency 1.0-5.9 21 6.0-10.9 39 11.0-15.9 40 16.0-20.9 28 21.0-25.9 25 26.0-30.9 20 31.0-35.9 13 36.0-40.9 10 41.0-45.9 - W 46.0-50.9 Part 1 of 2 (a) How many classes are there? There are classes. (b) What is the class width?(b) What is the class width? The class width is Part 2 of 2 Do not round. (c) What percentage of students play video games for less than 26 hr per week? % of the students play video games for less than 26 hr per week. (d) What percentage of students play video games for 21 or more hours per week? % of the students play video games for 21 or more hours per week