Alibrarian put 33 books back on the shelves before lunch. of the books, 11 were non-fiction. what is the ratio of the number of non-fiction books to the total number of books the librarian put away before lunch?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.