The following histogram represents the number of pages in each book within a collection.What is the frequency of books containing at least 250 but fewer than 400 pages?
A) 7
B) 10
C) 11
D) 12

Question

The following histogram represents the number of pages in each book within a collection.What is the frequency of books containing at least 250 but fewer than 400 pages? 
A) 7 
B) 10 
C) 11 
D) 12

Quizplus · Accepted Answer

To find the frequency of books containing at least 250 but fewer than 400 pages, we need to add up the heights of the bars for the two corresponding bins. The bin for 250-299 has a height of 3, and the bin for 300-399 has a height of 8. Therefore, the total frequency is 3 + 8 = 11. So, the correct answer is C.

The Following Histogram Represents the Number of Pages in Each