Final answer:
The correct number of chair back seats in Crawford Court gymnasium for volleyball cannot be determined without context or additional information. Typically, such information would be found in the setting's design specifications, promotional materials, or by a physical count of the seats.
Step-by-step explanation:
Without specific information on Crawford Court gymnasium's seating capacity for volleyball events, it is impossible to provide an accurate answer to the question regarding the number of chair back seats available. If this question relates to a specific context, such as a homework scenario or textbook example, typically there would be additional information provided within that context to determine the correct answer.
To solve a problem like this in a real-world context, one would need to either have access to the design specifications of the gymnasium or physically count the seats. If the gymnasium has previously stated their seating capacity in promotional materials or on their website, that could also be a source of information.
For homework or test questions, it is essential to review the associated materials provided, such as a reading passage, diagram, or a table with relevant information, which would usually guide you to the correct answer amongst the options provided.