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 less than 400 pages? 
Definitions:
Minimum Data Set (MDS)
A standardized assessment tool that helps health care professionals understand the care needs and preferences of residents in long-term care facilities.
Federal Law
Legislation enacted by the national government of a country that applies to all its citizens and entities.
Long-Term Care Facility
A healthcare facility designed to provide various services for individuals who are unable to independently care for themselves over an extended period.
Narrative
A spoken or written account of connected events; a story that may be factual or fictional, used for entertainment, education, or recording history.
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