Final answer:
The lower the capacity, the shorter time it will take to serve the Qth person in the queue.
Step-by-step explanation:
The correct answer is B. Shorter time.
When the capacity is lower, it means that fewer people can be served at a time. This means that each person in the queue will have to wait for a shorter amount of time to be served, as there are fewer people ahead of them.
For example, if there are only two cashiers available to serve customers in a store, compared to four cashiers, the queue will move faster with four cashiers because more customers can be served simultaneously.