“Is my class watching too much television on school nights?”This was a question that Mrs. Gordon wondered with respect to her seventh graders. She did a quick poll in class and found the following results:
Hours Number
0........ 2
1.......... 3
2.......... 2
3.......... 0
4.......... 3
5.......... 2
6.......... 1
a. What percentage of the class is not watching television on school nights?
b. What percentage of the class is watching at most 2 hours of television on school nights?
c. What percentage of the class is watching at least 4 hours of television on school nights?